Heavy Sediment deposits affect waterways because it can fill in drains, lakes, rivers, and sewage blockage. Sediment loss affects land and soil quality because it can mean a loss in nutrients that the land may need for vegetation. It can also cause flooding, which can carry toxins into water ways.
Armed conflict between the United States and the Soviet Union that led to the breakup of the Soviet Union.
The answer is D. The question asks how different cultures influenced each other so that rules out options A & B. Option C is about the environment being destroyed, and that really has nothing to do with foreign influence.
Some of the US states that borders Canada are Minnesota, New York and Idaho
the population growth in eastern europe is 12.6 per 1,000 people compared to 38 in sub-Saharan Africa.
