During what time period were first-cousin marriage prohibitions developed in the United States?

Question

During what time period were first-cousin marriage prohibitions developed in the United States?​

Quizplus · Accepted Answer

First-cousin marriage prohibitions were developed in the United States during the 19th century. Many states began banning first-cousin marriage in the mid-1800s, and by the early 1900s, most states had such laws in place. These laws were based on concerns about the potential health risks associated with consanguineous marriages.

During What Time Period Were First-Cousin Marriage Prohibitions Developed in the United