How did state constitutions aid in the creation of a national constitution?

For example, the U. S. Constitution declares itself to be “the supreme Law of the Land.” By 1780, all the first state con- stitutions plus that of Vermont had created most of the building blocks that were used to draft the U. S. Constitution at the Philadelphia Convention in 1787.

answer: not really

explanation: the disadvantages of wikipedia are:

open to spam anyone can edit it requires internet to collaborate.

the advantages of wikipedia are

anyone can editeasy to learn frompeople from other countries can share the same document