Despite their sharp differences, the U.S. and Mexico have made progress on several issues, including the signing of an updated transcontinental trade pact, the U.S. -Mexico-Canada Agreement (USMCA).
He instead deployed the National Guard to the border.
"One way or another, the way Mexico treats the undocumented immigrants from Central America affects Mexico's position in how it can criticize the USA government for its treatment of undocumented Mexican immigrants in the United States", Salazar told CNN en Español.
On Thursday, Trump referred to the caravan as an "assault on our country", citing "criminal elements and drugs pouring in".
The caravan will be on the agenda, a senior State Department official told reporters Wednesday. However, the caravan reportedly is still on its way to reach Mexico's southern border and then to the southern border of the US.
Mexican authorities, in a bid to soothe Mr Trump's fury and to deter the migrants, without appearing to violate worldwide law, have asked the United Nations to set up a migrant processing centre near its southern border.
But Jose Porfirio Orellana, a 47-year-old farmer from Yoro province in Honduras, said he has his sights set on the United States due to woeful economic conditions in his country.
After police held off the migrants, they closed the border gates again.
He estimated that about 30 percent of the migrants want to apply for refugee status in Mexico, while the rest want to reach the United States.
"Mexico's policy consists in respecting and protecting human rights" of migrants, Mexican Interior Minister Alfonso Navarrete said earlier this week.
Participants in a 3,000-strong migrant caravan heading toward the United States have gathered in a park to wait a few more hours for members of the group who are still arriving.
Others shouted, "We are not smugglers, we are immigrants!".
And the president-elect, Andrés Manuel López Obrador, has pledged to issue work visas for Central Americans in a bid to retain workers in the area rather than seeing them moving to the US.
"Republicans must make the horrendous, weak and outdated immigration laws, and the Border, a part of the Midterms!" he said.
"An entire political party is inviting it", Carlson said, adding that when Pelosi told an audience it would be "immoral" to build a wall, it is because she believes "unchecked immigration" will help their political future.
While some troops are helping with surveillance, a lot of them are working to maintain Border Patrol vehicles or performing administrative tasks to free up Border Patrol agents to perform law enforcement work, a defense official said Thursday.