Louisiana purchase, october 20, 1803
In 1949, the prospect of further Communist expansion prompted the United States and 11 other Western nations to form the North Atlantic Treaty Organization (NATO). The Soviet Union and its affiliated Communist nations in Eastern Europe founded a rival alliance, the Warsaw Pact, in 1955.
I hoped helped you and good Luke
The correct answer is Primary sources are first-hand accounts of events or time periods in history
The research project is characterized as an action to be developed, necessary in turn, and which foresees everything that will be developed through the research, that is, in it the researcher reveals his main intentions, explains the focus, the direction that the it will guide, express his real interests and highlight the questions that prompted him to proceed this way or that.
Answer: “B” The Nazis' rigidly ideological approach to empire building prevented them from consolidating their control of continental Europe.