How did martin luther king jr end racism

What refers to the division of power among the three branches of government

Can someone me write a paragraph on this topic i feel confused

What was the biggest difference between government in ancient athens and in ancient rome? rome was a direct democracy, and athens was not. athens allowed all citizens to vote, while rome was a republic. athens allowed women and slaves to vote, but rome did not. rome had a bicameral assembly, and athens did not.