What caused William the Conqueror to bring feudalism with him to England?

Feudalism is the name given to the system of government William I introduced to England after he defeated Harold at the Battle of Hastings. Feudalism became a way of life in Medieval England and remained so for many centuries. William I is better known as William the Conqueror.

Explanation:

a is correct

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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.