In order to obtain the suppport of the Anti-Federalists for ratifications, the Federalists promised what?

Answer 1

A Bill of Rights which became the first ten ammendments to the Constitution
1 Freedom of speech, press, religion, peaceable assembly, and to petition the government.
2 Right to keep and bear arms.
3 Protection from quartering of troops.
4 Protection from unreasonable search and seizure.
5 Due process, double jeopardy, self-incrimination, private property.
6 Trial by jury and other rights of the accused.
7 Civil trial by jury.
8 Prohibition of excessive bail, as well as cruel and unusual punishment.
9 Protection of rights not specifically enumerated in the Bill of Rights.
10 Powers of states and people.

the great compromise was not in order to obtain support for ratification, it was to gain support for a republican democracy. the federalists promised a bill of rights in order to secure the ratification of the Constitution.

Answer 2

The great compromise. The house of reps were divided by population while the senate was divided by geography and every state gets two.

Answer 3

It is actually the combination of the two answers before me