What term describes a foreign organization, person, or group that conducts intelligence activities to acquire U.S. information, block, or impair U.S. intelligence collection, influence U.S. policy, disrupt U.S, systems and programs, or gain a competitive edge? 
a.Insider Threat 
b.Foreign Intelligence Entity (FIE) 
c.Espionage 
d.Open Source Intelligence (OSINT)