George F. Kennan, an American Diplomat at the US embassy in Moscow, sent his summary of Soviet policies to the State Department in a very long telegram. The information in that telegram was eventually published anonymously as “The Sources of Soviet Conduct” in Foreign Affairs in 1947. His analysis of the Soviets and their desire to expand their physical and political control preceded President Truman’s formulation of the Truman Doctrine.

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.

i'll write a docs for you. hold on for a moment