Fifth amendment of the United States constitution.
Answer:
Silk Road since there was an interconnection between lands this helped bring spices to the countries which also formed religions and then brought new philisophy ideas alive.
Explanation:
Scarcity is the fundamental problem facing all societies. It is the condition that results from society not having enough resources to produce all the things that people would like to have.
President Truman based the Marshall Plan on Anticommunism.