Before gettysburg, most civil war battles in the east
a) were won by the confederacy.
b) were won by the union.
c) were fought on confederate soil.
d) involved the army but not the navy.

C) Were fought on Confederate soil.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

true

coz they had the rank system in society according to the economic power of the people