Complex sentence: His speeches had a powerful effect on his audiences, generally African Americans in northern and western cities, many of whomtired of being told to wait for freedom, justice, equality and respect Natambu, p.182.
Split into simpler sentences: His speeches had a powerful effect on his audiences, who were generally African Americans in northern and western cities. Many of themtired of being told to wait for freedom, justice, equality and respect Natambu, p.182.