Many white, working-class citizens failed to vote in the 1968 and 1972 elections because they felt alienated by the centrality of which political issue

The correct answer is Civil rights

The centrality of the issue of civil rights and the right of African Americans resulted in lower voter turnout. As a result, many white working-class citizens failed to vote in the 1968 and 1972 elections because they felt unconcerned with the elcetions.

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.

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.