Answer: B
Explanation: the Tigris river was essential for trade and travel, the Tigris Euphrates river system was basically centered in Mesopotamia
Ultimately, the reforms initiated by Mikhail Gorbachev led to the downfall of the Soviet Union. The correct option among all the options that are given in the question is the third option. Mikhail Gorbachev was born on 2nd march in the year 1931. He was the eighth and the last leader of the soviet Union. After that many states departed from the Union and it came to be known as Russia.<span />
Answer:
World War 1
Explanation:
Germany's resumption of submarine attacks on passenger and merchant ships in 1917 became the primary motivation behind Wilson's decision to lead the United States into World War I.