Answer:
(in some cosmological theories) nonluminous material that is postulated to exist in space and that could take any of several forms including weakly interacting particles (cold dark matter) or high-energy randomly moving particles created soon after the Big Bang (hot dark matter).
Explanation:
Congress passed laws to regulatecommerced, established federal courts below the Supreme Court Congress set up agencies departments and offices
Answer:
Because their people had the same idea of the ideal cultural experience .