Mexican Revolution: A period of armed conflict in Mexico that began in 1910, leading to political instability and economic hardships.
Bracero Program: An agreement between the United States and Mexico from 1942-1964 that allowed Mexican laborers to work temporarily in the U.S.
Push-Pull Factors: Economic, social, or political conditions that either push people out of their home country (e.g., poverty or violence) or pull them towards another country (e.g., job opportunities or better living conditions).