Answer:
B) The new railroad made travel faster and easier resulting in accelerated westward expansion.
have a nice day!
yes there are written records of the first migration of humans to the americas
so thats true
Answer:
So no branch is overpowered.
Explanation:
If a branch is overpowered it would make one branch do all the work and the pepole learned that someone cant be too overpowered they learned this from king geogre who had too much power.

Actually Welcome to the Concept of the history.
=> Potatoes and quinoa were among the unique crops; Camelids (llamas and alpacas) and guinea pigs were the unique domesticated animals.
=> The Incan civilization was predominantly agricultural. The Incas had to overcome the adversities of the Andean terrain and weather.