Modern India is based on the Indus Valley Civilization.
Historical evidence suggests over six thousand years ago a massive wave of migration took place into the Indus Valley from Central Asia. Why such a huge population of people resettled from their homelands into the Indus Valley is not known, however, what is known is that they brought them various traditions, cultures and languages that completely changed the fate of the region for the coming years.
Alongside new language and culture, they bought in a religion that had a vast impact on the belief system of the local people.
Hence, it is clear that modern Hinduism actually grew from a mixture of local religious beliefs with those of Central Asian nomads who moved here.
The correct answer is "Zoning codes controlled the types of buildings, where they were built, and encouraged safety improvements.
In the early days of the Industrial Revolution, the number of buildings to accommodate the great numbers of people coming from the countryside grew disorderly, which resulted in narrow, filthy, and bad-smelling streets where diseases and epidemics could spread rapidly.
