The answer is B. Because as the population continues to grow there will be less fresh water and more salt water.
Answer:
D
Explanation:
stampedes, river crossings, weather, injuries were the four challenges they had to face
They chose most intelligent and respectable citizens from each<span> state. </span>
Answer:
A The Treaty of Paris
Explanation:
The Treaty of Paris was most responsible for the settlement of the American frontier.
I think you mean the Golden Spike which is the ceremonial final spike driven by Leland Stanford to join the rails of the First Transcontinental Railroad across the US connecting the Central Pacific and Union Pacific railroads in 1869 in Promontory, Utah.
