The progressive development of mankind was determined by the further advance of the productive forces and , primarily , by the perfection of the instruments of labour . The remains of tools of fossil man were discovered in China , India , Ceylon , Burma , Algeria , Kenya , Uganda , Tanganyika and other regions of South Africa and Europe . In the U.S.S.R. the remains of fossil man and his tools were discovered in Armenia , the Crimea , along the Black Sea Coast of the Caucasus , in Central Asia and along the Dniester River .

