The primary benefit was Increased trade with Asia and Japan along with the west coast of the United States.
There is no President because Canada has a constitutional monarchy but there is a Prime Minister and his name is Justin Trudeau
Voting and serving in the military are voluntary personal responsibilities or rights in the United States. The United States has a voluntary military and therefore it is not required that citizens join or work in the military unless they voluntarily choose to do so. In addition, it is not compulsory that citizens vote and instead it is something that they voluntarily decide to do.
The answer to this question is A