confederation
🇺🇸
/kənˌfedəˈreɪʃn/
🇬🇧
/kənˌfedəˈreɪʃn/
A group of countries or organizations that work together to help each other.
The confederation of countries agreed to trade freely with each other.
In Canada, the joining of provinces and territories to form the country on July 1, 1867.
Canadian Confederation created the country we know today.