What hppened in the 1920's that lead us to the great depression?

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

Where did zebulon pike spend most of his time exploring?

Why do you think the nazis gave ration cards out to jews in the ghetto?