[We the people of the United States, in order to form a more perfect Union establish justice, insure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this Constitution for the United States of America.
In this preamble, what is the meaning of the phrase "to form a more perfect Union"?
A preserve states rights
B to unite the states more fully under one government
C to create a separation of powers
D to guarantee the well-being and happiness of every citizen