American expansion westward increased dramatically in the 1940s. During this decade, The United States of America acquired and settled into modern day Texas, Oregon, California, Nevada, Utah, parts of Arizona, Colorado, New Mexico, Wyoming, Michigan, Arkansas, Wisconsin, and Ohio. American western expansion in the 1940s was justified through the idea of Manifest Destiny. Americans used the slogan “Manifest Destiny” to justify their expansion into western land. Manifest Destiny is the idea that America had a God-given right to expand across the continent. American Democrats used this idea in promoting the idea of annexing Texas. Their argument was that The United States would be expanding their freedom and civilized society to Texas, as
