What event was most significant in escalating tensions during the Cold War?

Donald trump will plan to use his emergency powers to build the wall between the us and mexico, instead of shutting down the government again?

On a production possibility curve, data points that fall outside of the curve represent an inefficient allocation of resources. a balanced allocation of resources. ideal production. a currently unattainable production.

What is an example of a primary source? o a. a dictionary entry o b. a history book o c. an encyclopedia article o d. a recording of a speech