Mutually advantageous crisis: why United States of America and Mexico force migration?

*** United States of America: mirror policy Joe Biden and Donald Trump on children's migration Since 2011 to United States of America the flow of the minor migrants who are illegally crossing the American-Mexican border sharply started growing. The majority of them were natives of Central America. By September, 2014 in States 68 541 children without maintenance that is 77% more, than year before were detained. It induced the government to declare crisis on border. Eight years later crisis only was aggravated, reaching new record indicators. During this time the question of migration became a stumbling block between two leaders political...