Which one of the following statements is true about the lasting impact of the Magna Carta? (Read all your choices carefully)

a
One quarter of the people in the world live in a country where the system of government was inspired by the Magna Carta.
b
The Magna Carta and the English legal system became a model for other governments like the United States.
c
The Magna Carta inspired the idea that all humans everywhere deserve equal rights and freedoms.
d
All of the above