There were more than 3: 55 delegates attended the Constitutional Convention and only 39 signed.
3 most famous were George Mason (Virginia), Elbridge Gerry (Massachussets), Edmund Randolph (Also Virginia).
D is the answer for this question. I hope this helped you out. I know it would help me.
Anti-federalists are in opposition to the U.S. Constitution. On the other hand, federalists are those who favor the Constitution and prefer the strong federal government.
Well, personally I think that it is flawed: it limits the inflow of new ideas into politics.
I think that one way to address it is to abolish the electoral college and introduce country-wide representative elections and not a "winner takes it all" system.