This meaning refers to nations or organizations cooperating in politics, trade, defense, or diplomacy.
The countries formed a regional trade bloc.
The military bloc expanded its membership.
This meaning refers to people who vote or act together because they share interests or political goals.
The rural voting bloc supported the proposal.
A large bloc of legislators opposed the bill.
This broader meaning refers to any organized group that combines its influence or resources.
The shareholders formed a powerful bloc.
Several unions negotiated as a single bloc.
