give the context for, define, and tell the significance/after-effect of each of the following, in terms of 20th-century US culture/history: Cold War (1947-90) Korean War (1950-53) McCarthyism (1950s) Vietnamization (July 1969, or the “Nixon Doctrine” 1969-90) Powell [Bush I] Doctrine (1991-2001) U.S. invasion of Afghanistan (2001-14) Wolfowitz (Bush II) Doctrine […]