Why was Mikhail Gorbachev an important leader in the history of the USSR?

When the united states entered world war ii it affect the lives of americans in many ways people were asked to such as food oil and gas the government awesome cars to purchase a to the country financially during the war more more working in all industries during the war

How did france social divisions on the late 1700s contribute to the french revolution

What battle in the civil war was known as the bloodiest war ?