The answer is C.
Anti-federalists apposed the constitution because they felt as if it gave one man too much power. They also thought it took too much power away from the states because it limited state's rights.
I am not so sure what you mean by "what kinds of unions were formed", but if you're talking about the Civil War then I think the unions were Confederate and Union. The Confederates wanted to run the country with slavery while the Union fought against slavery. Do not quote me on that though.
I'm not too sure but I think it freed all slaves living in states that seceded from the union.. final answer is D
The Strait of Malacca connects the Pacific Ocean to the East with the Indian ocean to the West.