Why did Han emperors try to control food prices

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

Arecent poll of 500 residents in a large town found that only 36% were in favor of a proposed referendum to build a new high school. find the margin of error for this poll if we want 95% confidence in our estimate of the percentage of residents in favor of this proposed referendum.

In what way was family life impacted by industrialization? a. there was a rise in the middle class. b. there was a decrease in the birth rate. c. women were not allowed to work in factories. d. families relied on farming for food supplies.