Identify the advances that people made during the stone age

Stone tools(axes, spear) for hunting, Bone needles for sweing clothes, the use of fire for protection and warmth, started making clothes from wool, woven baskets, they were always nomadic following their food source...(thats all I can think out of the on top off my head:)

Explanation:

They used hammerstones, hand axes, spear points and harpoon points, bone and ivory needles.

Explanation:

hammerstones were used to break apart nuts, seeds and bones and to grind clay into pigment. 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. Harpoon points, bone and ivory needles, bone flutes for playing music and chisel-like stone flakes used for carving wood, antler or bone.

b is the answer i am assuming