How did life change in the gilded age?

The late 19th century in the United States was a period of rapid change which affected all elements of American life. Cities began to grow upwards as well as outwards. The railroads became the engine of the national economy, which grew to become one of the strongest in world. The railroads became attractive investments for overseas speculators, by 1890 British investments in American railroads was its greatest of any in the world, including its own on the African continent and the Indian subcontinent. Immigration boomed. Farming became commercially viable as an industry. Electrification of cities and eventually remote rural areas moved at a pace unforeseeable only a few years earlier.

Explanation:

b) brahmans   is nomadic society