What major invention developed during prehistory?

What is the definition for paleolithic? Who is the second god you have to identify in mythology island? What is pre-fetch units? How did the Paleolithic people survive the extreme cold? What are examples of animal parts and minerals that were used in the past by primitive physicians? Did circe have a pet? What was the first breed of cattle in Canada? What are the Hangman names on mythology island? If in the game evony free forever you send troops to a valley do you still have to feed them? What are the sloths main predetors? What disease are Mammoth Cave Oregon caves and carlsbad caverns concerned about and why? What different types of werebeasts are there? Which sea creature was thought to have started the myth of the a mermaid? What types of technology were there during the paleolithic era? Who is Pasiphae? What allowed early humans to move from continent to continent? What does Cole learn from the ancestor rock in the book touching Spirit bear? What colour is pre come? What does pre in prehistory mean? How Do also fossil fuels differ from fossils?