How did/do nomads use oases?

a.tensions between the colonial elites and the backcountry men of virginia.

ok so u have2 basically

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

d! i hope u get it ! xddd