After World War II, communists took control of eight Eastern European nations. By 1948, the Soviet Union had taken over the governments of eight Eastern European countries, establishing People's Democracies in them. The Soviet Union had already developed a socialist system, and Stalin demanded that all the communist countries of Eastern Europe had to adopt the Soviet model.
Farmers begin to use crop rotation, Farmers begin using iron plows, Europe's population increases dramatically,The supply of grain and food increases, Trade grows.
The expedition failed at their main goal of finding an all water route across the continent, they did however succeed in finding new information about the plants, animals, and Native Americans that were in the region so that American knowledge and culture could become greater
