Answer:
Great Britain, France, the Soviet Union, and the United States
Swami Vivekananda is a true hero and a unifying force in a diverse society. He was a Hindu Monk as well as a disciple of the nineteenth-century Indian Mystic Ramakrishna. He was key to the introduction of Vedanta and Yoga (Indian Philosophies) to the Western world. He was also involved in raising Hinduism's status as a major world religion. Finally, he was credited with raising the interfaith awareness. He is seen as a hero and a unifying force in a diverse society because of his beliefs that all religions are equal.
The correct answer for the question that is being presented above is this one: "Thomas Edison." Thomas Edison improved the incandescent light bulb and he made it possible to quit using oil lamps as a source of light, which sometimes unsafe.
The three most important problems was that it gave to much power to the states (weak central government), it did not give the federal government the power to tax, and congress couldn't regulate trade.