What is confederation

Confederation, primarily any league or union of people or bodies of people. The term in modern political use is generally confined to a permanent union of sovereign states for certain common purposes—e.g., the German Confederation established by the Congress of Vienna in 1815.

plz mark as brainliest

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;

because other regions has other things that egypt doesnt have.