The idea of an accused person's right to due process was originally found in which english document?
a) magna carta
b) bill of rights
c) social contract
d) mayflower compact

A) Magna Carta

Explanation: Magna Carta is famous as a symbol of justice, fairness, and human rights. For centuries it has inspired and encouraged movements for freedom and constitutional government in Britain and around the world.  

The following passage served as the foundational expression of the concept of due process in Anglo-American jurisprudence.

“No free man shall be arrested or imprisoned or disseised or outlawed or exiled or in any way victimised, neither will we attack him or send anyone to attack him, except by the lawful judgment of his peers or by the law of the land.”

An Ordinance for the Government of the Territory of the United States, North-West of the River Ohio, 1787. ... Considered one of the most important legislative acts of the Confederation Congress, the Northwest Ordinance also protected civil liberties and outlawed slavery in the new territories.