U.S. President Donald Trump on May 29 and amp;nbsp;criticized and amp;nbsp;Mexico and amp;nbsp;for not helping to stop the flow of illegal immigrants into the United States and repeated his campaign promise that and amp;nbsp;Mexico and amp;nbsp;will and amp;nbsp;pay and amp;nbsp;for building a and amp;nbsp;wall and amp;nbsp;along the U.S.-Mexico border. and amp;nbsp;Mexico and amp;nbsp;has said it would not and amp;nbsp;pay and amp;nbsp;for a and amp;nbsp;border and amp;nbsp;wall.