Which of the following best describes a social contract as defined by western philosophers in the 18th century? a. a contract that forces people to release all of their liberty in exchange for basic services b. by rejecting any form of government, people should have a contract amongst themselves to maintain peace and order. c. a social contract ensures that a monarch will provide its people basic services like education and protection from enemies. d. people consenting to a form of government, which implies that an individual releases some liberty for the common good