Answer:
By undermining the authorities of the European authorities.
On August 6, 1945, during World War II (1939-45), an American B-29 bomber dropped the world's first deployed atomic bomb over the Japanese city of Hiroshima. The explosion wiped out 90 percent of the city and immediately killed 80,000 people; tens of thousands more would later die of radiation exposure.
Answer: the treaty of non-aggression
Explanation:
by civil war i assume you mean the russian civil war/October revolution
the leaders of the bolsheviks/communists were Vladimir I. Lenin, Joseph Stalin, and Leon Trotsky.
Dr. William Thornton created the design