That's great to learn. A a German native speaker I have a tendency to write like that even though I know it's wrong. Good to know at least it would have been correct at some point in time :D.
> in Order to form a more PERFECT UNION, establish JUSTICE, insure domestic TRANQUILITY, provide for the common defence, promote the general WELFARE, and secure the BLESSINGS of LIBERTY to ourselves and our POSTERITY…