From 1945 to 1980 which was the richest country in the world?

Name the US President who talked in terms of great society.

How was the war time production in USA increased by two times than the combined production of Germany and Japan?

This was a part of a much more wide spread yearning for the USA to return to the traditional value. What?

One of the great 'what ifs of the world history'; he put the emphasis on youth and idealism; who asked the Americans to join him in being 'new frontiersmen'. Who is he?

Who set up the Federal Employee Loyalty Program?