The cult of domesticity:

a. received very little support, which is why people referred to it as a cult, or a small fringe group.
b. represented a significant break with the idea of republican motherhood.
c. was based on the idea that women should be less dependent upon men.
d. led to a decline in birthrates.
e. meant that women would concede their household duties to domestic servants.

D.

Explanation:

The Cult of Domesticity or the True Womanhood was the movement that arises in the middle of the 19th Century in the United States and Great Britain.

Women of the era were defined based on their ability to stay at home and fulfill their responsibilities as mothers and wives. The values on which the women were defined are purity, submissiveness, domesticity, and, piety.

In response to this cult, was birthed the "New Woman" movement that allowed women to take jobs in public sectors, control births, and also women started smoking cigarettes after this movement.

So, the correct answer from the given options is D, that this cult led to the declined birthrates as women started using birth control methods.

the answer is a, salt plain