The powerful political leadership of this state pushed the federal government to cancel further immigration from China in 1921, with the nullification of the Treaty of Amity, Commerce and Navigation, with all foreign manual labor prohibited eight years later.
这个州的强大的政治领导力推动了联邦政府在1921年取消进一步的从中国移民，使之废弃了《亲善、贸易及航海条约》，并且使得所有的外来体力劳工在八年后被禁止。