Random attacks by Indian tribes. The frontier had swamps-to-mountainness terrain. Seeds didn't work in all parts of America, some lived healthy in one area while the same seed could die somewhere else there.
Europeans wanted exploration in the 15th and 16th centuries for the belief that there was emense wealth in undiscovered countries. For example, king Ferdinand and queen Isabella of Spain sent Christopher Columbus on an exploration to find gold or other precious metals. When he landed in America, he didn't find gold but he knew he'd be punished for returning empty handed so came up with the idea to enslave indigineous people as an alternative form of wealth
They needed to make more money
Answer:
I think it is "c", but I'm not sure.
Explanation:
The legend states "Migration Corridors". The map is portarying the massive migration process done by African Americans from 1916 to 1970.
End Of french a Indian war, the stamp act, Townshend acts, the Boston massacre, committees of correspondence, Boston team party
