With the expansion of cities, new demands of labor were created. Drains had to be dug, roads laid, buildings constructed and cities cleaned. This required coolies, diggers, carriers, bricklayers, sweepers, rickshaw pullers, etc. This labor came from people who belonged to the “low caste”. They left their villages and small towns and shifted to the cities to get work. Some went to work in plantations in Assam, Mauritius, Trinidad, and Indonesia. Although it was not easy to work in the new locations, poor people saw this as an opportunity to get away from the exploitations of the upper-caste.