<span>Human societies no longer had to follow herds of animals to find enough food.</span>
Answer:
Between 1920 and until the early 1940s, the only communist country was the Soviet Union, where the first communist revolution, led by Vladimir Lenin, was successful in 1917.
From the early 1940s onward, communism began to expand rapidly to many areas in the world. For example, after the end of World War II, the Soviet Union expanded communism in Eastern European Countries like Poland, Hungary, and Romania, where it installed puppet governments.
In 1949, another important country became comunist: China. Led by Mao Zedong, the Chinese communists won the civil war against the Chinese nationalists (the Kuomintang, who later fled to Taiwan). In the same year, the Chinese People's Republic was proclaimed.
Answer: The yellow river is located at (LETTER B) The structure built to keep out the northern barbarians was called the (Great Wall) and is located at (LETTER C) The Silk Road is located at (LETTER A)
Explanation:
One of the ways in which the Apollo 11 flight plan could be seen as a historical document is if it is used as some kind of primary source. Technically, any document written in the past is a historical document.
The Mexican American War heightened tensions over slavery in that there were many disagreements over whether the new territories won from Mexico should be free or slave territories. The Wilmot Proviso, created to solve the problem, ended up slitting parties on regional areas.
Good luck :)