Answer: Federalism: A system in which power is divided between the national and state governments.
Explanation:
Alexander Graham Bell invented the TELEPHONE in 1876. It is a device that lets two people have a conversation even when they are far from each other. This could be done by sending signals through cables. Alexander Graham Bell began a new era of communication with his invention of the telephone.
Answer: The answer is B.
Explanation:
Silent Spring was met with fierce opposition by chemical companies, but it spurred a reversal in national pesticide policy, led to a nationwide ban on DDT for agricultural uses, and inspired an environmental movement that led to the creation of the U.S. Environmental Protection Agency.
Hope this helps:)
gunpowder
The invention of gunpowder.
This period is also known as the medieval period and is known for the various discoveries and inventions made during this age.
