Which of these was the main constitutional principle under magna carta? a. both men and women had the right to own land. b. minors receive different treatment under the law. c. everyone, even the king, has to obey the law. d. all citizens are entitled to legal representation

john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.

a)scientists

explanation:

the national defense education act had two main goals. the first one was to provide personal that was oriented to defense, including scholars, engineering students and so on. the other goal was to provide financial assistance for the students who would be enrolling at colleges and universities in the 1960s.