Answer: The Invention of the timer gear on fighter aircraft, the monoplane and more advanced aircraft such as fighter and bombers. the tank, the submarine, the machine gun, the dreadnought, the semi-auto rifle, chemical weapons, and the sub-machine gun. The tank, the submarine, the machine gun, semi-auto rifle, and the sub-machine gun are all still used today.
Explanation:
The oath was administered by Robert R. Livingston.
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They feared the revolutionary violence would spread to Britain.
The prohibition was repealed in the state of Oklahoma by the federal government passed a law repealing it.
Answer: Option A
<u>Explanation:</u>
The Oklahoma Enabling Act permitted the state of Oklahoma to form a "dispensary" or alcoholic drink agency in order to handle the alcohol sale for the purposes of medicine.
Thereby, when prohibition was put nationwide, it was repealed and included in the 18th amendment, 1933 Though none moderated in Oklahoma.
On 5th December 1933, Twenty First Amendment was made to the Constitution of United States of America and the repeal of prohibition was accomplished. Although, Oklahoma wasn't the only “dry” state.