What event prior to the Cuban Missile Crisis caused Fidel Castro to look to the Soviet Union for military help? help me plz.

1 Vietnam War
2 The building of the Berlin Wall
3 Bay of Pigs Invasion
4 Korean War

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."

answer; ethnocentrism;

answer; /// the above statement is (false);

answer; because they must appeal to a broad cross-section of the population;