Why was the construction of a large network of roads important to the Roman Empire? A. It kept cities from becoming crowded.
B. It reduced the amount of trade by sea.
C. It led to the invention of wheeled carts and iron weapons.
D. It helped troops and goods get to where they were needed.

Which of the following resulted from trade between nomadic people of central asia and civilizations of india during the vedic age? a.the people of the vedic age died from new diseasesb.the people of the vedic age could better obtain cattle and other goodsc.the nomadic people of central asia learned about shipbuildingd.the nomadic people of central asia wrote epic poetry