Answer:
It is the branch of scince and engineering deboted to designing,producing,and using structures,device,and systems by manipulating atoms and molecules
In his old age he became a communist and during the cold war it was just too tough to be a communist in the US. He went to Ghana after it became the first African country. DuBios has worked for African independence all his life, and was invited to enjoy it by Kwame Nkrumah, his old friend, and Ghana's first president.
D.
I’m not sure what u want for the ‘1)’
The Soviet Union dominated politics in eastern Europe
