I believe that Britain, France, United States, and the Soviet Union controlled each of the four zones. Hope this helped!
Judicial, Executive, and Legislative
The Bessemer process was the first inexpensive industrial process for the mass-production of steel from molten pig iron. Independently discovered in 1851 by William Kelly, the process had also been used outside of Europe for hundreds of years, but not on an industrial scale.
Answer:
the 2nd and 3rd choice are correct
Explanation: