Identify the factors that explain the relative abundance of female-headed households in black communities.

The factors that explain the relative abundance of female headed households in black communities include the following:
1. Increase in the rate of divorce.
2. Decrease in the number of children been given birth to.
3. Increase in the number of children born to single mothers.
4. Reduction in the number of people who got married. 
All these factors work together to increase the number of female headed households in the black communities.