Cách sử dụng
The word 'federation' refers to a group of organizations or states that work together for a common purpose. For example, the United States is a federation of states, where each state has its own government but they come together to form a single country. The word can also be used in sports, such as a federation of soccer clubs working together to organize tournaments. In general, federation refers to a group of units working together, sharing resources and decision-making power to achieve a common goal.