Its foreign ministry said in a statement that it was giving the Peruvian diplomat who heads the country's embassy in Venezuela five days to leave.
"We have troops all over the world in places that are very far away".
"We have many options for Venezuela, including a possible military option if necessary", Trump said.
Some Venezuelans may see hope in the comments, but Farnsworth said they will largely be counterproductive as it allows Maduro and his allies to promote the image of the United States as imperialist bullies.
"We have many options for Venezuela and, by the way, I'm not going to rule out a military option", Trump volunteered, adding that "a military operation is certainly something that we could pursue".
Venezuela's defence minister Vladimir Padrino said Mr Trump's comments were "an act of craziness".
The trip was already sure to be dominated by discussion of Venezuela, with Pence expected to call on the leaders to continue to pressure the Maduro government and encourage others in the region to do the same.
The country is deep in a recession compounded by shortages of food and medicine, while anti-government protests have killed more than 130 people since April.
Montreal, la finale è Federer-Zverev. A Toronto sfida Wozniacki-Svitolina
Nella parte bassa del tabellone saranno Roger Federer e Robin Haase a contendersi un posto in finale. Quel che c'è però è la notizia, e da questo punto di vista fa rumore.
"Latin American states will not want to be seen as endorsing USA military intervention". "I don't think any decent person would blame him for considering options for putting an end to the people's suffering by putting an end to Maduro". "What's really required is for everyone to have one voice about the need to protect the rights and the safety of the Venezuelan people".
"In North American diplomacy, they never rule out the use of force, the military option".
From New Jersey Friday, Trump would not comment on the possibility of a "regime change" in the country when it was raised during a question that also asked about the ongoing tensions between the US and North Korea.
US Vice President Pence arrives in Colombia as he undertakes a tour of Latin American countries.
Communist Party of Spain: We condemn the threat of war aggression of Donald Trump to Venezuela. Trump has shut the door on the idea until Maduro returns some sanity to his quickly deteriorating nation.
"The time has come for worldwide organizations and multilateral forums in the region and in the world to reaffirm the validity of the norms of global law and to curb the most aggressive action of the United States empire against the Venezuelan people in more than a hundred years".
The White House said late Friday that Maduro requested a phone call with Trump.
Maduro says the assembly, which has the power to re-write Venezuela's constitution, is needed to bring peace and prosperity to the oil-rich but economically ailing country.