D. The other facts are true, but wanting to stop Hitler was not a reason, so much as extra motivation.
The New Jersey Plan and the Virginia Plan were both meant to settle the issue of representation in Congress during the creation of the new US Constitution.
The New Jersey Plan was meant to benefit the smaller states. In this plan, it called for a unicameral legislature in which all states would have one representative. The larger states disliked this idea, as they felt their population should have some bearing on how many representatives they have.
This is why the Virginia Plan called for a bicameral legislature in which representation would be based on a states population. A larger population would equal more representation in Congress.
Austria felt that Serbia was overreaching its territorial boundaries and that the only way to forestall it was a preventive war. The death of Ferdinand provided a convenient excuse to go to war with Serbia. In support of Serbia, Russia mobilized its forces against Austria-Hungary, who had declared war on Serbia. Germany declared war on Russia. The United Kingdom and France, allies of Russia, also entered the conflict.
A web of alliances existed between many European countries. Austria allied with Germany, and Serbia allied with Russia. The alliances obligated each country to go to war on behalf of its allies. This dragged more and more countries into the war. The war pitted the Central Powers, consisting of Germany, Austria-Hungary, the Ottoman Empire and Bulgaria, against the Allied Powers, consisting of the United Kingdom, France, Russia and Italy. The United States ultimately entered the war on the Allied side.
