The cotton gin was introduced in 1793. What was the effect of this invention in the us?

What deadly disease cost many workers their lives before dr. william gorgas found a treatment?

Part a: which statement identifies the central idea of the text? a: the north was more powerful than the south and was always going to be the victor of the civil war. b: despite the obvious strength of the north, the outcome of the war was unpredictable at the time. c: the united states underestimated the strength of the south, giving it the upper hand. answer !

Discuss the main ideas of eugenics, and explain why it is no longer a prominent belief in the united states.