The correct answers, which describe events associated with Presidents from the 1950s and 1960s are:
- Johnson's "Great Society" created Medicare and Medicaid.
The Great Society was a program and set of domestic policies of the United States in the 1960s. Proposed and put in place by President Lyndon B. Johnson, it was a continuation of Kennedy's New Frontier, some of whose initiatives were deadlocked.
Several projects of the program became a success, such as Medicare, Medicaid and various federal funds for education. Investments in social and welfare areas, guaranteed in the "Great Society," were expanded by presidents Richard Nixon and Gerald Ford.
-The Interstate Highway System was created.
The construction of the Interstate Highway System was authorized by the Federal Aid Highway Act of 1956.
- Eisenhower promised military aid to any Middle Eastern country resisting communism
On January 5, 1957, Eisenhower defined the geopolitical line of the United States, especially with regard to the situation in the Middle East and the Far East, the Eisenhower doctrine, which also provided economic and military support to countries that were threatened by communism.
This answers are partially correct:
The Environmental Protection Agency was created by the Nixon, but it was created in 1970.
Nixon's impeachment ended his Presidency, but this happened in 1974.