You are working on a contract in a remote location. The contract requires you to be on site at the office on a daily basis. You were unable to get to the office for three days last month because of severe blizzard conditions. Your failure to appear at the office was excused because of a clause in the contract entitled—

a. Non compos mentis

b. Forjurer royalme

c. Force majeure

d. Force minoris dictus