Disease devastated the population.
A series of wars forced people to leave the area.
Massive flooding disrupted farming.
Explanation:
- The Indus Valley civilization is one of the oldest civilizations, in addition to Sumerian and ancient Egypt. It originated about 5,000 years ago in the Indus Valley on the border between modern India and Pakistan, reaching its peak between 2200 BC and 1900 BC.After 1900 BC.
- its power began to decline, and after a few centuries it would completely disappear.
- The cities in the Indus Valley were deserted and their tribes moved to the villages at the foot of the Himalayas.
- Many historians and archaeologists have linked the disappearance of civilization to the climate change in the region, which has become colder as the monsoon weakens.
- The cause may be some invasion or change in the flow of the Indus River.
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The correct answer here is the second option.
According to the Limited Nuclear Test Ban Treaty was signed by the United States and the Soviet Union on August 5, 1963 in Moscow. The ban prohibits any nuclear explosions and nuclear weapon tests in water, atmosphere or space. Technically it does not ban testing underground but it does ban it if they cause radioactive debris outside of the state's territory.
American worried that if they lost Texas to Mexico, the whole country could fall...
The correct answer is D) the two countries changed from being friendly allies to being fierce rivals.
The way in that the relationship between the United States and the Soviet Union change after World War II was "The two countries changed from being friendly allies to being fierce rivals."
During World War II, The United States were allies. If not so friendly, both countries had a decent relationship and fought for similar interests in the region. The other two big allies were France and Great Britain.
However, after World War II, the United States and the Soviet Union became fierce and permanent rivals in what was known as the Cold War years, in which, the USSR and the US rivaled and competed in the arms race and the space race.
My answer is b max Weber
I hope this helps
