Which countries could be in Trump’s sights next?

US President Donald Trump's second term is defined by his foreign policy ambitions.

He carried out threats against Venezuela, capturing its president and his wife from their heavily fortified compound in Caracas in a dramatic overnight raid.

In describing the operation, Trump dismissed the 1823 Monroe Doctrine and its promises of U.S. supremacy in the Western Hemisphere, renaming it the “Donroe Doctrine.”

These are some of the warnings he has issued in recent days to other countries in Washington's orbit.

The US already has a military base in Greenland – the Pituffik space base – but Trump wants to take over the entire island.

“We need Greenland from a national security point of view,” he told reporters, saying the region is “covered everywhere with Russian and Chinese ships.”

The huge Arctic island, part of the Kingdom of Denmark, is located about 2,000 miles (3,200 km) northeast of the United States.

It is rich in rare earth minerals, which are critical for the production of smartphones, electric vehicles and military equipment. Currently, China's production of rare earth elements far exceeds that of the United States.

Greenland also occupies a key strategic position in the North Atlantic, providing access to increasingly important Arctic Circle. As polar ice melts, new shipping routes are expected to open up in the coming years.

Greenland's Prime Minister Jens Frederik Nielsen responded to Trump, describing the idea of ​​US control over the island as “fantasy“.

“No more pressure. No more innuendo. No more fantasies of annexation. We are open to dialogue. We are open to discussion. But this must happen through the proper channels and with respect for international law,” he said.

Just hours after the operation in Venezuela, Trump warned Colombian President Gustavo Petro to “watch your ass.”

Venezuela's western neighbor, Colombia, has significant oil reserves and is a major producer of gold, silver, emeralds, platinum and coal.

It is also a key center for drug trafficking in the region, especially cocaine.

Since the US began striking ships in the Caribbean and eastern Pacific in September, claiming, without evidence, that they were carrying drugs, Trump has been embroiled in a growing dispute with the country's left-wing president.

USA imposed sanctions against Petro in Octobersaying it allows cartels to “thrive”.

Speaking aboard Air Force One on Sunday, Trump said Colombia was “run by a sick man who likes to make cocaine and sell it to the United States.”

“He's not going to be doing this for very long,” he said. Asked whether the US would carry out an operation against Colombia, Trump replied: “I like it.”

Colombia has historically been a close ally of Washington in the war on drugs, receiving hundreds of millions of dollars in military aid annually to fight the cartels.

Iran is currently facing massive anti-government protestsTrump warned last night that local authorities would be “hurt very badly” if more protesters died.

“We are monitoring this very closely. If they start killing people like they have in the past, I think the United States will suffer greatly from them,” he told reporters on Air Force One.

In theory, Iran is moving beyond the scope of the Donro Doctrine, but Trump has nevertheless previously threatened the Iranian regime with further actions after striking its own nuclear facilities last year.

The strikes came after Israel launched a large-scale operation aimed at denying Iran the ability to develop nuclear weapons, culminating in the 12-day Israel-Iran conflict.

At a meeting between Trump and Israeli Prime Minister Benjamin Netanyahu at Mar-a-Lago last week, Iran was named top of the agenda. American media also reported that Netanyahu raised the possibility of new strikes on Iran in 2026.

Trump's rise to power in 2016 was fueled by his calls to “build a wall” along the southern border with Mexico.

On his first day in office in 2025, he signed an executive order renaming the Gulf of Mexico “American Gulf“.

He has often said that Mexican authorities are not doing enough to stop the flow of drugs and illegal immigrants into the United States.

Speaking on Sunday, he said drugs were “flowing” through Mexico and “we're going to have to do something,” adding that the cartels there are “very strong.”

Mexican President Claudia Sheinbaum has publicly rejected any US military action on Mexican soil.

The island nation, located just 90 miles (145 km) south of Florida, has been under US sanctions since the early 1960s. She maintained close relations with Nicolas Maduro's Venezuela.

On Sunday, Trump suggested that U.S. military intervention there was not needed because Cuba was “ready to fall.”

“I don't think we need any action,” he said. “It looks like it's falling.”

“I don’t know if they can handle it, but Cuba has no income right now,” he added.

“They got all their income from Venezuela, from Venezuelan oil.”

Venezuela reportedly supplies approximately 30% of Cuba's oil, leaving Havana exposed if supplies are cut off with Maduro's departure.

US Secretary of State Marco Rubio, the son of Cuban immigrants, has long called for regime change in Cuba, telling reporters on Saturday: “If I lived in Havana and was in government, I would be concerned – at least a little.”

“When the president speaks, you have to take him seriously,” he said.