Answer:
Truman doctrine
Explanation: Truman asks for U.S. assistance for Greece and Turkey to forestall communist domination of the two nations. Historians have often cited Truman's address, which came to be known as the Truman Doctrine, as the official declaration of the Cold War
Answer:
16. y. Gibbons V Ogden
Explanation:
"This Supreme Court decision forbade states from enacting any legislation that would interfere with Congress's right to regulate commerce among the separate states." -From the National Archives
This decision was following the invention of the Steamboat by Robert Fulton
It was President Harry Truman
We refer to World War one as Total War, because this term describes a war in which countries or nations mobilize and force to the limit all their available resources, be they human, military, industrial, agricultural, natural, technological , scientists, or of any other kind, to totally destroy the ability of another country or nation to engage in a war, and this was what happened in the First World War.