Which events mark the start and end of the World War II era?
O
A. The Soviet Union launches Sputnik, the Soviet Union collapses.
O
B. The U. S. battleship Maine sinks; the United States gains control of
Cuba.
O
C. Archduke Franz Ferdinand is assassinated; the United States joins
the war in Europe.
O
D. Germany invades Poland; the United States uses atomic bombs.

D

Explanation:

as we know the atomic bomb is known for ending a war but wich war?, well if we rember who helped create it (albert einstien)he was alive during wold war 2 but not by the cold war, he might of ben alive during ww1 but as a child or baby perhaps the only war were he could the atom bom is in ww2. please make me brainleast

its true: ) hope this

slavery, abortion, donald trump, gay marriage, racial rights, immigration  

explanation:

anything that has been broth up to the supreme court is something of grate political divide   so just look as court cases