Read this passage from the U. S. Constitution: We the People of the United States, 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, do ordain and establish this
Constitution for the United States of America.
Which statement reflects a main idea expressed in the passage?
A. The Constitution should be amended to protect people's rights.
B. State and federal governments must share responsibilities.
C. States alone are responsible for maintaining the military.
D. The federal government is responsible for protecting the people