Where did the people in mesopotamia live before city states existed

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Suggest two reasons why irrigation is important for human development of the desert (4 marks)

One of the main reasons the united states occupied japan after world war ii was that