How has the United States changed over time?

U.S. Immigration and Customs Enforcement's (ICE) mission is to protect America from the cross-border crime and illegal immigration that threaten national ... American Samoa has received below-average weekly precipitation. Pago Pago received 0.45 inches of rain this week. Its monthly precipitation totaled 6.59 ... United States federal agency that manages national wildlife refuges, protects endangered species, manages migratory birds, restores nationally significant ... Welcome to the United States Air Force. Learn about great opportunities for enlisted airmen, officers and health care professionals. Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the ... Website of the U.S. Environmental Protection Agency (EPA). EPA's mission is to protect human health and the environment. The U.S. Chamber of Commerce is the world's largest business organization and network. Our members range from small businesses and chambers of commerce across ... Apr 16, 2025 ... Before you can travel under the VWP, you must apply and be pre-approved via the ESTA. US authorities recommend applying as soon as you know you' ... The Department of Defense is America's largest government agency. Our mission is to provide the military forces needed to deter war and ensure our nation's ... The U.S. Fire Administration is the lead federal agency for fire data collection, public fire education, fire research and fire service training.