Electricity=Thomas A. Edison
Telephone=Alexander Graham Bell
Telegraph= Samuel F. Morse
Oil=Edwin L. Drake
Steel= Bessemer process
Hopefully this was helpful!
The declaration of independence?
In July of 1962, the United States found out the the Soviet Union had begun to ship missiles to Cuba. By October 14, there was a report that a ballistic missile on a launching site was seen. President Kennedy announced that on October 22, the United States would create a blockade around Cuba in order to prevent more missiles from entering the island. Other countries inside the blockade zone were Jamaica, Haiti, Dominican Republic, Bahama Islands and Puerto Rico.
Answer:
15. Authors such as Alexander Hamilton and James Madison made "The Federalist Papers". This piece of literature used written to gain support to convince people to ratify the proposed united states constitution.
16. Colonists had to advantage of fighting in their own land since they knew it better and play defensive. Britain had to disadvantage of having to send ships of supplies and men to the colonies, costing very much.
They made the states even more independent