The Andonites developed sharp stone tools for hunting and survival. [1] Domesticated animals were living tools that enabled man to advance from his primitive state to higher levels of civilization. [2] Improved tools and efficient machines determine the survival of contending groups in advancing civilization. [3]
The invention of weapon tools enabled man to become a hunter, gaining freedom from food slavery and advancing civilization through ingenuity and discovery. [4]
Old men and cripples, due to modification consequent upon age and disease, were set to work making tools and weapons, later transitioning to building irrigation works. [5]