An important accomplishment of simom bolivar

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.

In which era does vietnam war fought and what was the reason?

The economic and the political influence of the united states in haiti was more powerful than the influence of any other country.