Both terms Promote and Provide are used in reference to the general welfare.
Actually no. That particular section of the preamble reads: “ provide for the common defense, (comma) .... promote the general welfare, (comma). Now let’s look at the sentence “structure”. That particular wording pertains to two different subject matters, each one separated through the use of a comma.
Provide for the common defense
Promote the general welfare
“Provide
and promote the general welfare” is what, I believe, you HOPE to find.
So it would appear that you failed in English class, as well as your knowledge of the United States Constitution. What’s next?