How did young americans respond to john f. kennedy''s challenge?

What kind os source would a historian use to get a firsthand account of a past event

The sixth amendment of the u.s. constitution guarantees the right to which of the following?

How was the cottage industry different from the factory system? products were made quickly and cheaply. products were made by machines. products were crafted by people with years of training. o products were made on a large scale.