Why should we consider the context of the Magna Carta?

a$.$ We do not need to consider the context because the Magna Carta was written in stone and its meaning never changed.

b$.$ We need to consider the context because how people understood the Magna Carta and its significance changed over time.

c$.$ We need to consider the context because the Magna Carta prevented colonists from having rights, and so the colonists rebelled against England because the Magna Carta created an oppressive, tyrannical government.

d$.$ We do not need to consider the context of the Magna Carta because no one in the $18$th century even knew the name of the Magna Carta.