Most countries dont need "justification" for joining a war, typically the only justification is a decision backing up allies, and under this definition, the US was justified, Japan had also initiated aggression againts the US, giving the US an incentive to join the war, so yes, its likely that they were justified in joining the war, for several reasons
Answer:
B. Decreased profit, costs and supply of goods
Explanation:
Did my research :)
The correct answer for the question that is being presented above is this one: "David felt he need to mobilize." After seceding, he would have been quite happy without a war, if Lincoln had granted official recognition to the Confederacy. When Lincoln declared that he would defend Fort and then called for new volunteer troops, Davis felt he had to mobilize.<span>
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