(economics)(multiple choice) what is the principal of the law of supply

the lower the price, the worse the quality becomes.
the lower the price , the larger the quantity produced.
the higher the price the smaller the quantity produced.
the higher the price, the larger the quantity produced.

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