 
 <prompt> If something dey opposite of pointless or not needed, e mean say e dey useful or necessary. Given the previous question, write a context wey contain the answer. E fit be 1 - 20 sentences. Context: <response>: Federalism, and oda forms of territorially autonomy, dey generally dey see as useful way to structure political systems to prevent violence among different groups for countries because e allow certain groups to make laws for subnational level. Some scholars don suggest, however, say federalism fit divide countries and cause state collapse because e dey create proto-states. Still others don show say federalism dey cause division only when e no get mechanisms wey dey encourage political parties to compete across regional boundaries. 