What does major/majority mean?

Major can have many meanings. However the most used is as in a major event, meaning a large and important event or ocassion.

Majority means most of somthing. Like, for example, the sentence "The majority of people drive cars." is just another way of saying, "Most people drive cars."

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The Moral Majority was a prominent American political organization associated with the Christian right and Republican Party. It was founded in 1979 by Baptist minister Jerry Falwell Sr. and associates, and dissolved in the late 1980s. It played a key role in the mobilization of conservative Christians as a political force and particularly in Republican presidential victories throughout the 1980s.

Explanation: I am not sure but hope this help

the answer is the last one