Please help due today

1. the sumerians used clay bricks and that comes from mud, so its B

2. Mesopotamia is the name of an ancient region which means the land between two rivers. Mesopotamia made up most of what is today Iraq, and is considered to be the first civilization. It was in Mesopotamia that people first began to live in large cities and created governments

3. i cant see it,

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Explanation:

b.europe i believe because north america has 3 countries in a way and with all the stuff with illegal immagrants from mexico or whatever so i would say europe.

"germany's geographic location was an advantage when it was on the offensive in the war because it was situated next to an extremely wide river, the rhine, which was difficult for the allies to cross."