Hundreds of migrants are wading across a river from Guatemala to Mexico in a new test of President Trump’s immigration strategy. The migrants want free passage across Mexico to the U.S. border and Mexico’s government rejected that. Under pressure from the U.S., the Mexican government has refused to grant the migrants free passage to the U.S. border. Last year more than four caravans with Central American migrants tried to cross through Mexico to reach the U.S. but they got stuck on the border. President Trump sent troops to the border in order to stop the flow of undocumented migrants. https://youtu.be/vg2ktwv5Esw Mexico faced tariff threats by U.S. President Donald Trump last year if it didn’t crack down on Central American migrants making their way through the country to the U.S. border. In response, it sent tens of thousands of national guard troops to both borders. As a result, crossings into the U.S.…