<span>Great Britain was interested in the PNW( Pacific Northwest) because of commercial potential and make use of the Natural Resources.</span>
When a country gifts some of its land to other country, it is generally not a quiet surrender.
<u>Explanation:</u>
When the government of the country gifts land to some other countries as a result of some privileges or some return of favor, it is not necessarily a surrender done by the country to other country. It might be a gift of real estate to that country.
It is known as the and grant where land is granted to that country. They are given to individuals or the countries to develop the land which is unused especially in the underpopulated countries.
The main reason was the South wanted to preserve slavery. The North wanted to abolish it. If you want some other reasons than slavery, let me know, and I will do my best to add more to this answer.
Answer:
restriction of interest to a narrow sphere; undue concern with local interests or petty distinctions at the expense of general well-being.