The rate was 1 out of every 4 people
The Velvet Revolution took place in Czechoslovakia in November and December 1989. Velvet in the name is a reference to its peaceful character.
It was a part of series of changes in Eastern Europe at the time.
The correct answer is option A) "Frederick II took Silesia". In the Austro-Prussian War or Seven Weeks' War, the leader of Prussia King Frederick the Great resulted victorious over Austria. This changed the map of Europe because the kingdom of Prussia gained control of extensive new lands in Silesia, including highly industrialized and densely populated areas.
During World War II, the United States and the Soviet Union fought together as allies against the Axis powers. However, the relationship between the two nations was a tense one. Americans had long been wary of Soviet communism and concerned about Russian leader Joseph Stalin’s tyrannical rule of his own country. For their part, the Soviets resented the Americans’ decades-long refusal to treat the USSR as a legitimate part of the international community as well as their delayed entry into World War II, which resulted in the deaths of tens of millions of Russians. After the war ended, these grievances ripened into an overwhelming sense of mutual distrust and enmity.