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Integrated Public Alert and Warning System. Civil defense in the United States refers to the use of civil defense in the history of the United States, which is the organized non-military effort to prepare Americans for military attack and similarly disastrous events. Late in the 20th century, the term and practice of civil defense fell into disuse.
American inventor Leonarde Keeler testing his improved polygraph on Kohler, a former witness for the prosecution at the 1935 trial of Richard Hauptmann. A polygraph, often incorrectly referred to as a lie detector test, [1] [2] [3] is a junk science [4] [5] [6] device or procedure that measures and records several physiological indicators such as blood pressure, pulse, respiration, and skin ...
Alleged communists including: Hollywood Ten. McCarthyism, also known as the Second Red Scare, was the political repression and persecution of left-wing individuals and a campaign spreading fear of communist and Soviet influence on American institutions and of Soviet espionage in the United States during the late 1940s through the 1950s. [ 1]
A girl detained in Arkansas walks to school in 1943. Executive Order 9066 was a United States presidential executive order signed and issued during World War II by United States president Franklin D. Roosevelt on February 19, 1942. "This order authorized the forced removal of all persons deemed a threat to national security from the West Coast ...
Conscription is the state-mandated enlistment of people in a national service, mainly a military service. [1] Conscription dates back to antiquity and it continues in some countries to the present day under various names. The modern system of near-universal national conscription for young men dates to the French Revolution in the 1790s, where ...
The militarization of police ( paramilitarization of police in some media) is the use of military equipment and tactics by law enforcement officers. [1] This includes the use of armored personnel carriers (APCs), assault rifles, submachine guns, flashbang grenades, [2] sniper rifles, and SWAT (special weapons and tactics) teams.
Socialism. The history of the socialist movement in the United States spans a variety of tendencies, including anarchists, communists, democratic socialists, social democrats, Marxists, Marxist–Leninists, Trotskyists and utopian socialists. It began with utopian communities in the early 19th century such as the Shakers, the activist visionary ...
The United States Air Force Security Forces ( SF) are the ground combat force and military police service of the U.S. Air Force and U.S. Space Force. [7] The USAF Security Forces were formerly known as Military Police ( MP ), Air Police ( AP ), and Security Police ( SP) at various points in their history.