I wanna say the answer is- B.
I might be wrong,so if I am,I'm sorry
Answer:
Paleolithic humans originated in one continent and then spread to many parts of the world
Explanation:
:)
The Bering land bridge is a theory of how early humans migrated to the Americas from Asia about 20,000 years ago.
THE ANSWER IS REFUGEES!!!!!!!!!!!!!!!!!!!!!!!!!
The correct answer is a. the factory was mechanizing, which cost workers their jobs.
Everything was becoming more industrialized and many people lost their jobs because of that.
