First telephone: Alexander Graham Bell, Antonio Meucci, Amos Dolbear.
First atomic reader: Robert Oppenheimer.
who made theory that made atomic power possible: Einstein.
First labor union: Samuel Gompers.
Father of the hydrogen bomb: Edward Teller.
Answer:
Why? for what?
Explanation:
What will I get out of this?
Check out the "out of Africa" theory. Basically it said people migrated from Africa to Europe and from the Russia area to the Americas via the Bering strait.<span />
I believe the answer is C, The pope called a crusade to reclaim the holy land
<span>Andrew Johnson was the only one in Tennessee who was staying loyal to the north </span>