All of the following were factores that contributed to the collapse of the Old kingdom except. -crop faliure
-power struggles
-eathquake
-cost of pyramid building

so they can defeat there oppenent

darwinism is survival of the fittest there for social darwinism is the survival of the wealthiest

possible the invasion of room could have been avodiable but the people of rome were to stubboron and to wealthy the kingdoms saw them as a threat if they dialred it downa   bit ten i dont think they wouldnt failed   china was not iacvvdoaible they caused war to much and were out of hand therefor that must have happened india i dont really know it could of