Ideas developed during this era helped foster the idea that “all men are born with certain natural rights.”

Enlightenment Era

Explanation:

The Enlightenment era began in Europe in the 18th century. This era saw a philosophical movement that dominated the ideas of the people around it. The ideas centre on declaring liberty, constitutional government, fraternity, and natural rights in a country.

The idea that ''all men are born with certain natural rights'' was given by John Locke during the Enlightenment era. John Locke was born to a Puritan family in 1632 in England. As an English philosopher in the 17th century, he became known for the Father of Liberalism.

a is correct

hope this let me know if it is right

they believed democracy was worth the fight