Australian member of parliament Julie Bishop has spoken out against "hard-edged unilateralism" from the United States as she called on world leaders to think about the long-term consequences of rising populism and protectionism.

Speaking at a World Economic Forum meeting in Dubai on Sunday, the former Australian foreign minister said she supports reforming the current international system rather replacing it for short-term political gains.

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Australian MP Julie Bishop talks at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian member of parliament Julie Bishop has spoken out against "hard-edged unilateralism" from the United States as she called on world leaders to think about the long-term consequences of rising populism and protectionism.

Australian MP Julie Bishop talks at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Her comments come as President Donald Trump declares himself a "nationalist" and advocates an "America First" policy that's rattled U.S. allies by raising tariffs and tearing up trade agreements.

Australian MP Julie Bishop, right, listens to former U.S. diplomat William Joseph Burns at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop, right, listens to former U.S. diplomat William Joseph Burns at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop takes part at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop takes part at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop, right, talks at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop, right, talks at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

"I don't believe there's a model on the table that can replace it, but we have to take into account the changing power structures and relativities to ensure that order can be resilient and continue," she said.

Australian MP Julie Bishop talks at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop talks at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Her comments come as President Donald Trump declares himself a "nationalist" and advocates an "America First" policy that's rattled U.S. allies by raising tariffs and tearing up trade agreements.

Australian MP Julie Bishop talks at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop talks at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop, right, listens to former U.S. diplomat William Joseph Burns at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop, right, listens to former U.S. diplomat William Joseph Burns at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop takes part at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop takes part at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop, right, talks at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)

Australian MP Julie Bishop, right, talks at the opening panel of the World Economic Forum Global Future Council in Dubai, United Arab Emirates, Sunday, Nov. 11, 2018. More than 700 delegates are attending which is the precursor to the World Economic Forum Annual Meeting in Davos, 22-25 January 2019. (AP PhotoKamran Jebreili)