Please help me! :(((

1: Silt , irrigation

2: Colytheism, ziggurats

3: Cuneiform, scribe

4: War,city states

5: Astronomers

6: Monarchy

Explanation: hope i‘m not too late! :)

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

the decreasing neutrality of the u. s. in world war i

hope this : )