Headquarter of International Civil Aviation Organization (ICAO) is located in___________?

Headquarter of International Civil Aviation Organization (ICAO) is located in___________?

A. Brussels (Belgium)
B. Chicago (U.S)
C. Montreal (Canada)
D. Oslo (Norway)

The International Civil Aviation Organization (ICAO) is a UN specialized agency based in Montreal (Canada), established by States in 1944 to manage the administration and governance of the Convention on International Civil Aviation (Chicago Convention).