noun
Pan American Union
Historical organization name; refers to the Pan American Union, the precursor to the Organization of American States (OAS).
米州連合は、米州機構の前身として知られている。
The Pan American Union is known as the predecessor of the Organization of American States.
米州機構 is the modern Organization of American States (OAS), which succeeded the Pan American Union.
Compound of 米州 (Americas) and 連合 (union, federation).