What style of vase had a black background? a.) red-figure vases b.) black-figure vases c.) what-ground vases

increased food supply

improved public health

increased birth rates

hope this : d

answer; i believe the two groups were irish immigrants and chinese immigrants;

southerners, for their part, considered brown a terrorist. they felt threatened by northerners' deification of brown and worried about the potential for other, similar armed insurrections.

explanation:

the answer to your question is true