The answer is D railroads brought an increase in population, leading to controversies over land usage
Your correct answer would be B
There’s two main definitions:
1. Identification with one’s own nation and support for its interests, especially to the exclusion or detriment of the interests of other nations.
2. Advocacy of or support for the political independence of a particular nation of people.
Hope this helps!
Because they were hunting dogs and cats to eat so they can survive . Also the government wasn’t helping them
US was tired of the war and should end it quickly