Answer:
Containment was a United States policy using numerous strategies to prevent the spread of communism abroad. A component of the Cold War, this policy was a response to a series of moves by the Soviet Union to enlarge its communist sphere of influence in Eastern Europe, China, Korea, and Vietnam.
Explanation:
During 1930–1933, the mood in Germany was grim. The worldwide economic depression had hit the country hard, and millions of people were out of work. The unemployed were joined by millions of others who linked the Depression to Germany's national humiliation after defeat in World War 1. Many Germans perceived the parliamentary government coalition as weak and unable to alleviate the economic crisis. Widespread economic misery, fear, and perception of worse times to come, as well as anger and impatience with the apparent failure of the government to manage the crisis, offered fertile ground for the rise of Adolf Hitler and his Nazi Party.
The North Vietnamese forces, especially the Viet Cong made their own explosives. They used explosives that did not explode, cut them open and made their own improvised explosives. They used traps like bamboo maces or crossbows which were activated by trip wires. One common trap was the punji stake trap. This was a bed of very sharp bamboo stakes hidden in a large hole for their enemies to fall into.