Answer:
Explanation:Stalin maintained order as he was a cunning and clever man.He used many variety of methods to control Russia.Example: propaganda,fear and terror.During the great purge many people sacrificed their loved ones to save themselves.
Not sure what the options are but there was a huge wave of immigration during that era.
Answer:
150 years ago, the construction of the First Transcontinental Railway was completed in the United States. The implementation of the project has become one of the most ambitious scientific and technological achievements of the United States in the 19th century and has led to a revival of the national economy. However, the construction was mainly carried out in territories captured from the Indians. According to historians, the highway has greatly accelerated the process of extermination and enslavement of the indigenous people of North America, and also contributed to the destruction of natural diversity on the continent.
Explanation:
Blacks were able to serve in all branches of the Army except for the aviation units. The government made no provision for military training of black officers and soon created segregated training camps for that purpose. Disheartened, blacks protested against this discriminatory practice.
