What was true Of the strategy of the president

answer:  Well, It's true that the first priority of US President was to preserve the Union at all costs.

is this a question? put a question ?

(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