By Trevor Hunnicutt

WASHINGTON (Reuters) -U.S. President Donald Trump has frequently invoked his success at resolving international conflicts, casting himself as a global peacemaker while his aides and some foreign leaders push for him to receive the Nobel Peace Prize.

He has found Russia's war in Ukraine to be far more vexing. Trump has put himself squarely in the middle of the diplomatic attempts to bring peace but has wavered on what he's willing to do to achieve it.

Here are some of the foreign disputes Trump has intervened in since beginning his second term in January, using a mix of threats, inducements and the power of his office to shape the behaviors of allies and foes.

ARMENIA AND AZERBAIJAN

Trump brought together the leaders of Armenia and Azerbaijan on August 8 to sign a joint declaration pledging to seek peaceful relations between nations that have been at odds since the late 1980s.

"I got to know them through trade," Trump said later in a radio interview. "I was dealing with them a little bit and I said, 'Why you guys fighting?' Then I said, 'I'm not going to do a trade deal if you guys are going to fight. It's crazy.'"

The two countries had committed to a ceasefire in 2023. In March they said they had agreed on the text of a draft peace agreement, but that deal has not been signed.

The White House-brokered declaration falls short of a formal peace treaty that would place legally binding obligations on both sides. One snag is over whether an agreement requires Armenia to revise its constitution.

The leaders also struck economic agreements with Washington that granted the U.S. development rights to a strategic transit corridor through southern Armenia. The Trump administration said this would allow for greater exports of energy. In documents released at the time, the corridor was named after Trump.

CAMBODIA AND THAILAND

Trump helped bring Thailand to the table for talks after long-simmering tensions with Cambodia spilled over in July into a five-day military conflict, the deadliest fighting there in over a decade.

The U.S. president reached out to acting Thai Prime Minister Phumtham Wechayachai two days after fighting erupted along a 200-km-long (125 mile) stretch of the border.Trump withheld deals on tariffs with both countries until the conflict ended.

Up to that point, Bangkok had rejected third-party mediation and had not responded to offers of help from Malaysia and China, Reuters reporting showed.

Trump's intervention helped get Thailand to the table, according to Lim Menghour, a Cambodian government official working on foreign policy.

Subsequent talks yielded a fragile agreement to end hostilities, resume direct communications and create a mechanism to implement the ceasefire. Trump went on to impose a........

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