What did the astrolabe track to help in setting up calendars and recording
time?
A. star and planet movement
B. moon phases
C. circumference of the earth
D. shifting of sand dunes

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation: