What convention met in September 1786 and invited all of the states to send delegates to the Constitutional Convention?

No. Twelve of the thirteen states were represented at the Constitutional Convention in Philadelphia. Rhode Island did not send a delegate, because they wanted to keep the government established under...

Rhode Island. The State's leaders refused to participate in the Constitutional Convention because they believed it was a conspiracy to overthrow the current government, which was operating under the...

spring of 1787

Pennsylvania.

the abolition of slavery