Explique una diferencia y una similitud entre la situación migratoria de los "años decisivos" con la del último cuarto de siglo XIX en los Estados Unidos.

economic

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!