The proposed legislation directly contradicts the 14th Amendment guarantee that all people born in the US and under its jurisdiction are citizens of the US. The Chinese Exclusion Act was approved on May 6, 1882.It was the first significant law restricting immigration into the United States. The Agreement is the first complete income tax treaty between the two countries. 14th Amendment to the U.S. Constitution: Primary Documents in American History. The Fourteenth Amendment (Amendment XIV) to the United States Constitution was adopted on July 9, 1868, as one of the Reconstruction Amendments. The 14th Amendment redefined American citizenship and fundamentally altered the relationship between the states and the Federal government. In the United States of America: The Embassy of the People's Republic of. China in Washington, DC, and the Consulates General of the People's. Table of Contents A. United States-Mexico-Canada Agreement Text – Chapters USMCA Protocol 0. Preamble.