The leaders of Mexico and Brazil said on Wednesday they would work to strengthen trade between their nations — Latin America's two biggest economies — as a counterweight to U.S. President Donald Trump's shifting positions on global tariffs that have thrown markets into chaos.

Adding to the economic turmoil are also larger frustrations over Mr Trump’s deportation tactics, increasingly the subject of legal scrutiny and human rights criticisms, and moves by his administration that some say infringe on the sovereignty of foreign nations.

U.S. President Donald Trump on Thursday threatened Mexico with sanctions and tariffs over what he said was Mexico's non-compliance with an 81-year-old water treaty. "Mexico OWES Texas 1.3 million acre-feet of water under the 1944 Water Treaty,