The correct answer to this open question is the following.
You forgot to include the video, the link to the video, or the name of the video to look for it. This information is necessary to know what you are talking about.
However, doing some research, we can comment on the following.
The colonists addressing this song towards English King George III. What the colonists are doing is expressing the series of complaints stated in the Declaration of Independence drafted by Thomas Jefferson and other four prominent founding fathers, as was the case of Benjamin Franklin, Roger Sherman, John Adams, and Robert Livingstone.
The Second Continental Congress held in the city of Philadelphia, Pennsylvania in July 1776, asked Jefferson to draft the Declaration, citing all the grievances committed by the English crown. The Declaration was finally adopted on the fourth of July of that year.
The ground-breaking U.S. Supreme Court case "Brown v. Board of Education" concerned B. racial segregation in American schools. It was one of the most important decisions in American history.
The conflict between Spain and Portugal over colonial rights was resolved by the Pope through the Treaty of Tordesillas. It split the colonial world into a place for Portuguese colonization, and one for Spanish.
The Portuguese were given all of Africa, the eastern most tip of now Brazil, and--later clarified in the Treaty of Saragossa--everything between the 46th meridian, and the 142nd meridian. Spain was given rights to the opposite, from the 142nd to the 46th meridian.