Key events:
1918: world war I ends.
1920: nineteenth amendement ratified.
1928: Herbert Hoover elected president.
1929: Stock Market Crash.
1930: Hawley Smoot Tariff passed.
1932: Franklin Roosevelt elected president.
1933: New Deal begins.
Hope this helps.
The doctrine was the centerpiece of United States foreign policy<span> from the early 1980s until the </span>end<span> of the </span>Cold War<span> in 1991. Under the </span>Reagan Doctrine.<span>The foreign </span>policy<span> of the Ronald Reagan administration was the foreign </span>policy<span> of the United ... As part of the </span>policies<span> that became known as the "</span>Reagan Doctrine<span>", the ... </span>Reagan's<span> position was that if the</span>Soviets did<span> not remove the SS-20 missiles ... Reagan </span>believed<span> this defense shield could make nuclear</span>war<span> impossible.</span>
The Korean War. North and South Korea are still technically at war. An armistice was signed in 1953 to halt fighting, but no final treaty was signed, unlike after World War 2.
United States, NATO allies and South Korea fought against North Korea, who received aid from Chinese forces.
This an example of actual combat during the so-called Cold War between the United States and the Soviet Union between 1945-1991. The two sides had different ideologies (democracy vs. communism), which led to friction.