We

the

people of the United States

in order to form a more

perfect union means in the preamble

To make better the fundamental laws and principles by which the United States is governed.

Explanation:

By 1788, they decided a new document should be drawn up to improve the Articles of Confederation, so they wrote the Constitution "in order to form a more perfect union." In other words, to make better the fundamental laws and principles by which the United States is governed.