The main source of conflict at the Constitutional Convention was in regards to federal v. state power.
Federalists v. Anti-Federalists fought for weeks through published essays to push forward their view on whether their should be a strong Federal government or whether there should be a weak federal government to allow for strong and sovereign states.
The important revolutionary-era document that George Mason wrote was C; Virginia Declaration of rights. The Virginia Declaration of right was written in 1776. George Mason was was born in Virginia in November 30th, 1725 and died October 7th, 1792. He was a planter and politician.