I would go with Brown v Board of Education. It gave more rights to African Americans and made them one step closer into beating segregation. Through the court case, segregation in schools was deemed unconstitutional, and so was segregation in other public places.
Answer:
Irrigation
Explanation:
The techniques used by Ancient Egyptians and people living in Mesopotamia to meet their water and food needs was majorly irrigation .
The irrigation channels were majorly from the River Nile as water was usually fetched and then carried by oxens to farmlands and other areas which needed it. This was usually common in periods of drought where there was a decrease in water availability as a result of low or no rainfall.
I think the answer is b though I’m not completely sure. C and D are the kinda screwballs and so it left us with a and b and out of those two I doubt nationalism was in reference to have country rivalries. So B is the most sensible answer
Germany and the Soviet Union.