What change did the cotton gin have upon the amount of cotton that could be seeded in one day?

Why was frederick douglass encouraged by the dred scott decision?

Consultant: you're welcome. as a first step, our team analyzed the other potential primary contenders. the reality is that with such a strong field, it is going to be difficult to gain the of votes necessary to avoid a runoff—unless you want to go negative from the start. and our opposition research team found plenty of ammunition to do just that.

Which common characteristic of renaissance buildings does this image show