Answer:
Many historians believe the Indus civilisation collapsed because of changes to the geography and climate of the area. Movements in the Earth's crust (the outside layer) might have caused the Indus river to flood and change its direction.
Answer:
It was an oil-exporting nation.
Explanation:
During the 1980s, the Soviet Union saw a severe downturn in oil prices. This, in turn, led to a decrease in production. Between 1988 and 1995, the oil production of the nation dropped by almost 50%. During this time period, oil was one of the main exports of the Soviet Union, which meant that these fluctuations in price greatly damaged its economy. Moreover, the damage to the economy weakened the nation, allowing for the change of regime to take place.
AnWho invented the alphabet Indian?
Sequoyah completed his syllabary around 1821. When it was adopted by the Cherokee Nation, they became the first Native Americans to have their own alphabet and writing system.
