they were instructed to trow it in pearl harbor i belive.
The first inventions that harness natural energy resource is Water mill. Back then, people use the power of water to move the lever in order to create mechanical movement.
The invention that help transfer water from river to town is aqueduct. Or more commonly knwon as water bridgte, useful to navigate the movement of water.
Lever is the invention that makes lifting weight easier, mostly used in contruction sites.
Answer:
The Manhattan Project
Explanation: FDR started the project but was kept under secrecy so no other country would find out creating and testing nuclear weapons.
It ruled the act constitutional
