a military offensive with intensive aerial bombardment
The German invasion of Poland was the first test of Germany’s newest military strategy—the blitzkrieg, or “lightning war.” It involved using fast-moving airplanes and tanks, followed by massive infantry forces, to take enemy defenders by surprise and quickly overwhelm them.
The Nazis claimed that all non-Aryan peoples, particularly
Jewish people, were inferior. This racist message would eventually lead to the Holocaust, the systematic mass slaughter of Jews and other groups judged inferior by the Nazis.
the restricted quarter of European cities where Jews lived
He ordered Jews in all countries under his control to be moved to designated cities. In those cities, the Nazis herded the Jews into dismal, overcrowded ghettos, or segregated Jewish areas.
political strategy to check the expansion of a hostile power
President Truman adopted a foreign policy called containment. It was a policy directed at blocking Soviet influence and stopping the expansion of communism.
These conflicts marked the start of the Cold War between the United States and the Soviet Union. A cold war is a struggle over political differences carried on by means short of military action or war.
act of pushing a dangerous situation to the edge of disaster
This willingness to go to the brink, or edge, of war became known as brinkmanship. Brinkmanship required a reliable source of nuclear weapons and airplanes to deliver them.
a body of people living together and sharing everything
To expand the success of the first Five-Year Plan, Mao proclaimed the “Great Leap Forward” in early 1958. This plan called for still larger collective farms, or communes. By the end of 1958, about 26,000 communes had been created.
idea that communist nations will convert neighboring nations
President Eisenhower described this threat in terms of the domino theory. The Southeast Asian nations were like a row of dominos, he said. The fall of one to communism would lead to the fall of its neighbors.