At the Constitutional Convention in Philadelphia in 1787, delegates from 12 states debated

Representation in congress, the powers of the president, how to elect the president (electoral college), slave trade, and a bill of rights.

Explanation:

it should be a. song dynasty’s civil service examination system created an administrative bureaucracy manned by the landed aristocracy.

the romans were initially interested in expansion via sicily (which at that time was a cultural melting pot), part of which lay under carthaginian control. at the start of the first punic war (264-241 bc), carthage was the dominant power of the western mediterranean, with an extensive maritime empire