What was the socio-political system which existed in most of Europe during the 18th century

The Ancien Régime (Old Regime or Former Regime) was the social and political system.

Explanation:

b.   jim crow laws were enacted in northern states.

equal pay act of 1963. the equal pay act, signed in to law by president john f. kennedy on june 10, 1963, was one of the first federal anti-discrimination laws that addressed wage differences based on gender. they felt that this would prevent employers from undercutting future wages for men.