Help with discussion support in 2 part A&B

A/ explore American housing policy in the 20th century through the lens of Indian Reservations and Sundown Towns.describe the concept of Sundown Towns to an imagined friend or family member who is unfamiliar with these housing policies: What are Sundown Towns? How do they relate to Indian Reservations? How do they operate? And how did they come to be?  What was the intention of 20th century American society in creating them?