What is the main idea of this text? A. In the Treaty of Guadalupe Hidalgo, the U.S. gained all or part of the current states of Arizona, New Mexico, California, Nevada, Utah, Colorado, Wyoming, and Texas. B. The "bracero" program hired temporary laborers from Mexico, typically for agricultural jobs, to fulfill labor shortages in the U.S. that were a result of World War II. C. Over the past 200 years, Mexican Americans have immigrated to the U.S. for many different reasons and have built rich communities that contribute to American life. D. The state of Texas used to be a part of Mexico but it declared its independence in the mid-1830s and eventually joined the U.S., which caused tension with Mexico.

D. The state of Texas used to be a part of Mexico but it declared its independence in the mid-1830s and eventually joined the U.S., which caused tension with Mexico.