What caused the end of the Hellenistic age

In a planned economy, which of the following does the job of market forces in order to determine the outcomes?

Which type of constitutional power allows congress to regulate immigration and naturalization?

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.