Which of the following is the basic factor in the formation of a federation? The

The desire for union is the basic factor in the formation of a federation. This means that the member states or regions are willing to come together to form a larger entity with a shared purpose, while retaining their individual autonomy and identity. The desire for union is often driven by the need to pool resources, enhance security, and create a more cohesive and integrated national identity. In a federation, the central government has limited powers, with most powers reserved for the states or regions. This ensures that each state or region has a measure of self-government and can address its unique needs and concerns.