Which religion did emperor ashoka of the mauryan empire convert to?
a. confucianism
b. daoism
c. buddhism
d. christianity

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.

they made rome the dominant power in the mediterranean.

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.