The human species that may have been the first to use crude tools is

How did inca develop their road system? a) they used mortar to hold the stones together. b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks. d) they laid roads in the cities, not in the less densely populated deserts.

Which of the following arguments did thomas paine include in common sense

Which of the following statements best explains why societies passed worker safety laws following the industrial revolution