The correct answer is C, the impeachment trial of Samuel Chase.
In the Paleolithic era, there were more than one human species but only one survived until the Neolithic era. Paleolithic humans lived a nomadic lifestyle in small groups. They used primitive stone tools and their survival depended heavily on their environment and climate. Neolithic humans discovered agriculture and animal husbandry, which allowed them to settle down in one area.
The plan for the 1971 operation to shut down the Chi Minh Trail was aimed at shutting down the North Vietnamese Army's capabilities to provide supplies to the forces in the south. The plan was for South Vietnamese troops to invade Laos and take control of the Trail with aid from American air support. The plan didn't go as planned. The South Vietnamese forces were soundly defeated by their Northern counterparts.
Communism
This is an example of central planning in which everything is directed by the government. These types of economies tend not to do well because as the question states the incentive for individuals is taken away.
Answer: The American Civil War and its social impact.
Explanation: Extreme right wing organizations, such as the Ku Klux Klan, came to the fore to maintain white supremacist control. Racial segregation replaced slavery in the South, and Jim Crow laws were enacted to enforce such segregation.
