The idea of what provided a means for converting the abstract principle that all power flowed from the people into a workable practice

The social contract is a principle originated during the Enlightment Era (intrdouced by Rousseau), and it states that the power of the state resides on its citizens, and in order to exercise it (or to translate this power into a workable practice) they should have the right to choose their political representatives through suffrage.

the government created by the constitution is described as one where voters elect representatives to govern. i think that should be ur answer

no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.