Trade in Vedic Age led to A. The rise of kingdoms because of the importance of controlling land and long distance travel routes

B. The building or an extensive system or roads because of the difficult terrain

C. The creation of a large banking class because of the need to exchange different currencies

D. The development of a centralized government that controlled the economic decisions of its people

A. The rise of kingdoms because of the importance of controlling land and long distance travel routes .

Explanation:

During the Vedic Age, trade developed when people gave up their simple agricultural life and the practice of exchanging goods developed. Numerous merchants and traders started to wander from one place to the other in order to exchange goods and commodities.The growth of trade and commerce eventually facilitated the rise of kingdoms as new trading centers emerged in different places. It led to the competition of controlling land and long distance travel routes  as they became important trading centers.

answer: to communicate with people on the other side.

explanation:

but its not smart to do because the gateway on an ouija board is not gaurded