D. The elimination of social distinctions between the middle and working class.
For the problem it would have to be b I am pretty Shute
The answer is B. All other answers relating to the graph would be incorrect with the information given
These included hand axes, spear points for hunting large game, scrapers which could be used to prepare animal hides and awls for shredding plant fibers and making clothing. Not all Stone Age tools were made of stone.
The answer is:
1. It increases competition.
