What is the name for the pattern of trade routes shown on the map 1.Slave trade

2.Trade routes

3.Triangular trade

4.Middle passage

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.