Answer:distribution of power in a federation between the central authority and the constituent units (as states) involving especially the allocation of significant lawmaking powers to those constituent units — compare comity, full faith and credit, states' rights.
Step-by-step explanation:
Federalism is a good thing for giving birth to a new nation formed by alliance of previously separate and autonomous entities. But federalism is a bad thing when it over stays the purpose of enabling an alliance - it is a temporary thing