The event that triggered war came at Fort Sumter in Charleston Bay on April 12, 1861 because of uncompromising differences between the free and slave states over the power of the National Government to prohibit slavery in the territories that had not yet become states.
Explanation:
In Paterson's plan, each state would get one vote in Congress, so there would be equal power divided among states regardless of population. ... But the greatest difference from the Virginia Plan was over the issue of apportionment: the allocating of legislative seats based on population.
Imperialism , let me know if if right
Taxed them on alot of things