What did many people want added to the constitution before they would approve it?

A bill of rights

Explanation:

One of the main concerns that people had about the Constitution was the fact that it did not include a bill of rights. Many people, particularly the anti-Federalists, opposed to ratification because of this. Other concerns regarding the Constitution was the reduced power of states and the increasing importance of the central government, including the figure of the president.

john locke studied medicine and he laid a lot of groundwork for the enlightenment he also contibutied to the development of liberalism

length of the cultivating season was not a problem of new england agriculture