Under which empire did ancient china control territories that are not part of present day china

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price

Which statement about submarine use in world war i is true? the allies never found a way to counter german submarine warfare. germany’s use of submarines affected the united states’ decision to enter the war. only the germans used submarines in world war i.

The roosevelt corollary specifically states that the united states would play what role in latin america? a. mediator c. police power b. watchdog d. buffer state