federation

loose

The European countries formed a loose federation to cooperate on trade matters.

international, world

The world federation of nurses meets every two years to discuss healthcare standards.

athletics, soccer, etc.

The national soccer federation announced new rules for youth players this season.

create, form, set up

The new sports clubs decided to form a federation to organize competitions across the country.

break up

The sports federation broke up after disagreements over how to spend their money.

in a/the ~

Several different states work together in a federation to share power and resources.

within a/the ~

The member states agreed to cooperate on environmental issues within the federation.

~ of

Several countries formed a federation of independent states to strengthen their economic ties.