The East India Company forced Sepoys to use new ammunition that went against their religious beliefs, hence causing the Sepoy Rebellion.
It all started when the British East India Company implemented the use of new bullets that must be coated with a mixture of pork and beef fat. This upset many Sepoy's, as several of them were Hindus and this went against their beliefs. Hindus belief that the cow is a sacred animal and are prohibited from touching or killing cows and eating beef.
Along with this, many Sepoys were also Muslim. In this religion of Islam, the pig is considered an unclean animal. This upset with the new policies caused a revolt of these Sepoys against the British East India Company.
The answer is Lan Tribes and Laundi Tribes.
They spread like wildfire. For a new factory to beat the competition, it had to be built quickly. Laborers needed fast, cheap housing located close to work. Roads would be hastily built to connect the factory with the market. There was no grand design, and consequently, the new American city spread unpredictably. Urban sprawl had begun. But the growing beast brought benefits that raised the standard of living to new heights. The modern American city was truly born in the Gilded Age. The bright lights, tall buildings, material goods, and fast pace of urban life emerged as America moved into the 20th century. However, the marvelous horizon of urban opportunity was not accessible to all. Beneath the glamour and glitz lay social problems previously unseen in the United States.