I'm not 100% sure but it could be: Voluntary Exchange takes place between buyers and sellers:
(btw I copied and pasted from the question so I didn't take any content :D)
The geographic boundaries in the Cold War were dictated at the end of the 1940s, due to the Cold War between the Soviet Union and the United States. The Soviet Union wanted to spread Communism in many parts of the world. In opposition, the United States wanted to prevent the spread of Communism around the globe
Answer:Resistance is a measure of the opposition to current flow in an electrical circuit.
Explanation:
1. Rivers,Lakes,& Ponds. for Agriculture,
2. Settled in areas with many Animals to hunt.
3. Mountains, and Hills for defense against enemy tribes.
