Por qué cree que la mayoría de los estadounidenses encuestados en 1987 obtuvieron calificaciones tan bajas en su comprensión de la constitución de los Estados Unidos?

Right choice:

They changed the world’s ideas about how nations should be ruled.

Explanation:

The lofty ideals of both revolutions are the ideas of Enlightenment: men are born equal, men have natural rights, people have the right to liberty, to pursuit of justice and happiness and the right to life, people have the right to choose their own rulers. Those were revolutionary ideas at the time, and the United States and France of the late 18th century were the first two countries where there were attemtps to put them into practice.