Which law had led to a 40 percent increase in employments for women

The Equal Pay Act led to a 40% increase in employment for women.

The law is the Equal Pay Act of 1963.

Explanation:

The law was signed on June 10, 1963 by John F. Kennedy and it prohibits wage difference based on gender.

president thomas jefferson hoped that the embargo act of 1807 would the united states by demonstrating to britain and france their dependence on american goods, convincing them to respect american neutrality and stop impressing american seamen. instead, the act had a devastating effect on american trade.

state law

most seat belt laws in the united states are left to the states. however, the first seat belt law was a federal law.