The answers are
1.advanced weapons and artillery
2,explosions
3.trenches
4.barbed wire
5.radios
Video from Edgeunity
The Chinese decided to enter the Korean War on November 25-26, 1950. This was an enormous shock to the American forces, as well as to the United Nations. The United States, and in particular U.S. Gen. Douglas MacArthur, believed that the Chinese would not openly enter the war. When China did provide support to North Korea, the effect was catastrophic on the American forces, leading to a great expansion of the conflict.
C. Consequences of the Black Death included a series of religious, social, and economic upheavals, which had profound effects on the course of European history. The Black Death was one of the most devastating pandemics in human history, peaking in Europe between 1347 and 1350 with 30% to 65% of the population killed.
The Aztec Empire is located in Mexico so I believe it would be number 3
<span>Mice of men.
Lennie comes back with a dead mouse</span>