The correct answer is code name for secret research and development program to build an atomic bomb during WWII
The Manhattan Project was a research and development undertaken during World War II that was successful in producing a weapon of mass destruction.
Answer:
The US has had the leading economy since it has a controlled economy and it manages its money but the US's economy is going to start going down if they don't stop wasting/spending money.
A. The way we elect the President of the United states
A, because it explains a lot of the reason everything happened
Answer: Coal
Explanation: Natural gas is basically gas that comes from nature so if you use coal it creates natural smoke or gas. Also like fossil fuels create natural gas as well.
