Which passage from the Article best supports the idea that municipal governments have to deal with the ebbs and flows associated with things like economic and population changes?

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

best of luck!

answer; continuous;

using the bering strait was the best transportation system.