Answer:
Polk campaigned under the popular slogan "54-40 or fight," a contention that the southern boundary of Russian America was the northern boundary of Oregon
<span>Erie Canal (from Lake Erie) is <span>a canal connecting America to the
western territories which was built
from 1817 to 1825 under the
supervision of DeWitt Clinton often called as “Clinton’s folly”. Some of its
effects to the United States are the following: </span></span>
<span><span>·
</span>It decreases importing and exporting products in
which it could ship millions of goods annually.</span>
<span><span>·
</span>It had connected the United States’ great lake <span>the Atlantic
Ocean.</span></span>
<span><span>·
</span>It made new York City as the busiest port overnight.
</span>
<span><span>·
</span>At its popular time, 50,000 people (or more) depended
on the canal for their livelihood making boat houses for transactions.</span>
<span><span>·
</span><span>It was the first public infrastructure to extend
help to hospitals and institutions.</span></span>
Answer: C: It has varying degrees of thickness.
Explanation:
