The U.S. had been a decisive force in the English and French winning the war and had revealed its vast industrial might. It was well positioned to come out of the shadows and take over the baton of premier world power from Great Britain. It showed the world that when in time America can buckle down and mass produce everything it needed, fast. Ammunition, Tanks, planes, Artillery, all of these were being produced by a unprecedented level and it showed the world that america can beat anyone.
I believe the last one would be barley
Answer:
Preservation
Explanation:
They preserved much classical text(Not their own but Roman and Greek). They introduced the Arabic number system
It shapes the political debate around abolition of drugs in general.