Answer:
(See explanation for further details)
Explanation:
Since those cities were communication nodes that eased the expansion of the United States of America to the west, where railway, finnancial and mail services were developed very rapidly and at a gigantic scale, requiring great numbers of workforce.
I believe it is A, That seems like the most reasonable
Answer:
it refers to the geographical region inhabited by the ancient Tamil ... Some other Nadus are also mentioned in Tamil literature which were not part of Tamilakam,
Explanation: