Which of the following is an example of a knight?
a) a farmer who was not allowed to leave the land on which he worked
b) a person who collected taxes and provided peasants with homes
c) a political leader who worked closely as an adviser to a king
d) a soldier who swore an oath to protect the people and land of a superior

D) A soldier who swore an oath to protect the people and land of a superior. If its spelt that way then the answer is D.

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.

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.