Answer it was for climate, money purposes, or to find jobs.
Explanation:
The Early Middle Ages in Europe (500-1000 A.D.) are often called the Dark Ages because literacy and education declined.
Physical factors that affect population distribution include altitude and latitude, relief, climate, soils, vegetation, water and location of mineral and energy resources.
Source: yourarticlelibrary.com
Answer: this link should help
Explanation:
https://www.history.com/topics/american-revolution/joseph-plumb-martin