Asmall settlement formed along the nile river following the neolithic revolution. as the settlement grew, it developed complex social institutions and advanced technology. what other development does the settlement need to be considered a civilization?

i think it was   tsar alexander ii

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.