To persuade massachusetts, virginia, and new york to ratify the constitution, leading federalists promised?

it is massachusetts otay

A Bill of rights

Explanation:

Since Massachusetts, Virginia and New York had anti-federalist delegates, they believed that it was needed to be a bill of rights to protect peoples individual rights and liberties, so for federalists to have the approval of the anti-federalists, they promised that as soon as the constitution was ratified, they would make a bill of rights, so the anti-federalists agreed and the constitution was passed in September 17th, 1787.

Hope this answer helps!

explanation:

the president, prime minister, chief justice, speakers and ministers take their oath of office. the oath is taken in bengali

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain