Question

between coming together and holding together

Answer 1

A federation formed by coming of different stare and all state is equally powerful is known as coming together

A federation formed by the division of Power between centre and different constituent of a nation is known as holding together

Answer 2

Coming together federations:
In this type of federation, individual independent states join together to form a larger government. The states pool up their sovereignty and resources to form a bigger nation. In this kind of federations, the individual states have equal power.
Holding Together federation :
Underthis, a large country decides to divide its power between the constituent states and the national government.
Underthis central government tend to be more powerful.
India, Spain and Belgium