Answer:
The significance of the inventions by Madame C. J. Walker and Garrett Morgan was that they brought the inventors financial success from sales to the Black community.
Madam C. J. Walker was known to have created her own hair and scalp formula from one she has the inspiration from her sleep. She opened a school called Leila College. There, she trained others to sell her products and she she opened a factory.
Garrett Morgan was said to be born in Kentucky in 1877. He worked in sewing machine factories. He used his knowledge to invent an improved sewing machine. He also invented new hair cream for African Americans, gas mask for soldiers, and a mechanical traffic signal.