A bill must pass both houses of congress and then signed into law by the president
Considering that slavery originated sometime in the 1620s in North America, and that it lasted until 1865, the correct answer to how much it lasted should be around 245 years.
the colonies were to provide manufactured goods to the mother country
C. Thomas Paine
He did so because the British were controlling everything people in the New World (a.k.a. America) did.