The Great migration 1910-1960 where african americans moved out of the south to other places
Answer would be A)They became active in politics
"An increase in scientific and medical discoveries improved life expectancies" is the one reason among the following choices given in the question that <span>is the best possible explanation for the changes in Europe's population since 1750. The correct option among all the options that are given in the question is the first option.</span>
He successfully repelled an invasion by rival claimant Herald Hardrada of norway
Electricity and magnetism
