How did medieval muslim merchants organize regional trade?

PLEASE HELP PLEASE HURRYYYH

Andreus vesalius is known for being the first scientist to provide detailed and accurate

States' compliance with the native american reservation treaties drawn up by the federal government for the native american nations is:

Two of these describe "federalism." (choose two answers) select one or more: a. the national government absolutely controls all state governments. b. power is shared by the national and state governments. c. state governments exercise absolute power over the national government. d. it is a compromise meant to eliminate the disadvantages of a "unitary" and a "confederate" system.