In 1781 end of the revolutionary war
Answer:
The law of conservation of energy states that when one form of energy is transformed to another, <u>b. no energy is destroyed in the process. </u>
Explanation:
The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it's added from the outside.
It made getting from New York to the Pacific ocean easier and faster and getting from San Francisco to the Atlantic ocean easier and faster. Hope this helps!