He was trying to reach out and get the U.S to end Slavery.
Direct elections — in a presidential system, the president is often elected directly by the people. This makes the president's power more legitimate than that of a leader appointed indirectly. However, this is not a necessary feature of a presidential system.
The answer is, To argue for, there's the obvious, which is that the colonists didn't
like their lack of voice within British Parliament. They also didn't
like how Britain was treating other colonies, what would become Canada
for instance, with similar laws and codes seen in the US colonies. You
could also argue that it was a more financial decision, as the taxes
placed upon the colonies and the restrictions on trade were hurting
American businesses. Honestly, an argument combining the two would
probably be more rounded.
Martin Luther King Jr was a leader of a civil rights movements that wanted equality and freedom be granted to all races equally.
He is best known for holding PEACEFUL protests
hope this helps