I beg to differ! In my view all of those things you mention were made possible by the extraconstitutinal excursions of Mr. Lincoln. The doors he opened are the very ones those people walked through and continue to be walked through to this day.
Whether you are right or I am is of little consequence however as we are where we are and we ought to be working to figure out how we are going to reclaim our republic IF that is even possible.
That's ridiculous. Republicans didn't create or support the Progressive Movement, they fought it. Progressives gave us income taxes, prohibition, direct election of Senators, a National bank. Please explain how you tie Lincoln to FDR's New Deal. The Republican Supreme Court had declared FDR's laws unconstitutional. So he threatened to pack the court, and they caved in. The Interstate Commerce Clause means Congress can regulate anything because Dems in the 30s wanted that interpretation, not because of Lincoln.
Lincoln didn't open any doors that LBJ's Great Society walked through, either.
What you have stated is a platitude, not history.