Related Clues:
- Intl. group
- Grp. with Chile as a member
- Org. with peace-keeping forces
- Defense-alliance acronym
- Americas org.
- 59-yr.-old alliance
- Bol. belongs to it
- Alliance that includes the U.S.
- Intl. org. since '48
- Belg.-based peacekeepers
- Treaty gp. since 1948
- Grp. that includes Canada and Colombia
- 35-nation grp. founded in 1948
- Treaty gp. formed in Bogotá
- Euro watchdog