The answers are A and D.
A) A candidate that says he is for <em>"peace, prosperity and progress" </em> is using the Glittering Generalities propaganda, because he is trying to influence his audience's emotion with vague and general declarations.
D) Card Stacking Propaganda is used by the candidate <em>that prays and</em> <em>salutes the flag in his political meeting</em> just because he knows most Americans are religious and patriotic, points used by other candidates, but without mentioning other facts.
The Mayans
Explanation:
there are a lot more ancient than the Aztecs and the olmecs
The launching of D. Sputnik started the space race
The primary aim of the Marshall Plan was "<span>b. to provide aid to the devastated countries of Europe," since the US believed that doing so would help these nations resist the spread of communism. </span>
They had weapons, their societies were separated, which made it easier for them to take over