In 30 words or fewer, identify what Aristotle's incorrect theory might have lacked.

Which impact did the civil war have on the spread of disease in texas a. disease decreased bc people left the area to fight in the war b. disease increased bc medicine was in short supply. c. disease increased bc many new diseases were brought to the area d. disease decreased bc confederate doctors distribute new medicines to local communities

Indian scholars invented all of the following that we use today except .

What was the most explosive issue facing the united states prior to the start of the civil war?