Dred Scott. He was an enslaved African American man in the United States who unsuccessfully sued for his freedom and that of his wife and their two daughters in the Dred Scott v. Sandford case in 1857, popularly known as the "Dred Scott Decision".
Answer: We the people,
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.
Explanation: Is that what you needed?