I don’t know if this is right but as someone who is native I’m going to guess during conversion of religion. Again I don’t know if that’s the main one they want but it was a contributing factor. :)
Answer:
B
Explanation:
A is possible, but B is the better choice.
B means more food, and more food usually means population can grow.
C is wrong because there is no correlation between difficult physical labor and population growth.
D is wrong because C is wrong
Rough Riders
The most famous of all the units fighting in Cuba, the "Rough Riders" was the name given to the First U.S. Volunteer Cavalry under the leadership of Theodore Roosevelt. Roosevelt resigned his position as Assistant Secretary of the Navy in May 1898 to join the volunteer cavalry.
Hope this helps :)
He was a norse explorer who was the first European to land in North America.