What is the significance of the references to gender and race in the Jim Crow Laws?

They segragated the population into different groups. The two primary groups were the seperation between white people and black people.

Explanation:

Jim Crow laws were state and local laws that enforced racial segregation in the Southern United States. All were enacted in the late 19th and early 20th centuries by white Democratic-dominated state legislatures after the Reconstruction period. The laws were enforced until 1965.