I looked it up, read an article about it and I believe your answer is D
Answer:
Agreeing to a border along the 49th parallel.
Explanation:
James K. Polk was a candidate from Tennessee that was not known to most Americans and he was the responsible for created the “fifty-four or fight” slogan. Despite of that, he was secretly willing to compromise and not go into war. And in June 1846 Britain proposed splitting Oregon at the 49th parallel, Polk agreed with that and war was avoided.
He wrote the Declaration of Independence, which officially declared that the American Colonies were completely free of British authority and influence.
The study of structure and behavior of the physical and natural world through observation and experiments
The answer to this problem is C
