Historically, the United States has been drawn into foreign military conflicts in order to do which of the following selections?
Select one:
A. all of these
B. protect strategic and economic allies
C. honor treaty agreements
D. prevent human rights violations
Activity Position

letter d is correct.

(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

i think it was   tsar alexander ii