Are these grievances facts, opinions, or reasoned judgments, and how do you know?

Why were the numbering trials held from 1945 to 1946 ?

What event had weakened florida’s economy immediately before the start of the great depression? a) the freezing of orange trees b) the end of florida’s land boom c) the start of another world war d) the building of florida’s railroads

Which best describes how president kennedy apples to the audiences at the beginning of his speech?