One negative consequence was that the British would take raw materials from India at a very low cost. They would then sell them for much higher.
This took away a lot of business from the Indians.
As a direct result of the transatlantic slave trade, the greatest movement of Africans was to the Americas — with 96 per cent of the captives from the African coasts arriving on cramped slave ships at ports in South America and the Caribbean Islands.
One of the main consequences of people migrating from the rural areas to the city was that there were not enough immediate housing options, which forced many people to live in slums.