When Henry Ford revolutionized the automobile industry with the assembly line, it cut away man hours and effort needed to create product. This made production faster, easier, and cheaper.
It looks like your answer will be Paris
They had to change their lifestyle and the ways they thought
Answer: Concentration camp in Poland
Explanation: Prisoners secretly planned a revolt to bring down the camp in 1943
States would be the answer. there is only one nation or country and three oceans