Answer:
Expand slavery
Step-by-step explanation:
From the nation's very inception, the existence of slavery stood in glaring contrast to the ideals of liberty and justice expressed in the preamble to the Constitution. The Constitution itself protected the institution of slavery (while never actually using the word slave) through a number of compromises worked out between pro-slavery and anti-slavery factions. These constitutional compromises did not resolve the conflict, however, and Congress passed other compromises in an effort to prevent the young nation from breaking apart.
“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.”
—Preamble to the United States Constitution