Which did the early river valley civilizations have in common? a. the nearby rivers were good for farming but made trade difficult. b. they built cities along rivers that rarely flooded. c. their rivers provided defensive barriers against invasion. d. their rivers meant that they could irrigate their crops.

Why was the united nations established

Identify whether each scenario describes a drawback of an advantage of trade regulation. benefits of trade regulations

Which statements describe how reformers fought for social change in the progressive era? check all that apply. 1. they founded a state university to promote industrialization. 2. they began a civil rights movement to promote equality between races. 3. they made it legal to manufacture and sell alcohol. 4. they built thousands of new schools and required attendance. 5. they promoted abstinence from alcohol and supported prohibition.