Question

how was internal trade carried on​

Answer 1

Answer:

So the buying and selling of either goods or services done within a country is the internal trade. In such cases of internal trade, there is no levying of import/export taxes or customs duties. Only local government taxes will apply. These are goods domestically produced for domestic consumption only.

Answer 2

Answer:

The internet has not only allowed small companies and isolated countries to do international business, but it has improved the ocean shipping industry to the point where we can safely and quickly do business overseas. ... Ports employ thousands of people and some even support the economy of entire countries.