The basic principle that we use today that was established by the magna
Carta was : C. people accused of crime have the right to be represented
and defended by another person in court
Basically, Magna Carta
create a country where we put Law above the highest ruler. Before the
magna Carta, the King could accuse whoever displeased him and sent him
to jail without any evidence.
The Scopes trials was about a him teaching evolution in schools which they didnt allow back then. You can compare it with them elementary schools not allowing teachers to read "Little Red Riding Hood" in schools