Andrew Carnegie is well known for being the monopoly of the steel business in the 19th century and was the richest man on earth.
All of the above but in terms of United States government and History the answer is C.) Unconstitutional.
Answer:
Economics is regarded as a social science because it uses scientific methods to build theories that can help explain the behaviour of individuals, groups and organisations. Economics attempts to explain economic behaviour, which arises when scarce resources are exchanged.