<span>The rich soil is good for farming.
The tall mountains provide timber.
The volcanic soil hardens into new land.
The very rugged land makes settlement difficult.</span>
C) More middle-class families could afford to purchase their own homes
Answer: The expedition was to find the most direct river route to the Pacific Ocean
Explanation:
The Chinese Exclusion Act of 1882 <u><em>. . . prohibited continued immigration of Chinese laborers</em></u>
Why? Because mining for gold started to become more scarce and challenging as the gold rush era faded. America was predominantly Caucasian, and politicians decided to write into law the prohibition of continued immigration of Chinese laborers in order to maintain their economic advantage