the correct answer is specialization.
The west African Kingdom of Mali grew in wealth and power by controlling the trading of gold and salt.
The federalist are basically what it sounds like. They supported the idea of a large federal government with power.
I believe the answer is: b.. He was the first Indian to serve in the British Parliament.
before entering the British parliament, Naoroji was known to be a succesful cotton trader. He was chosen as the member parliament of United Kingdom House of Commons between 1892 and 1895,and became one of the founders of Indian national congress after his position as the members of British parliament was finished/