Prohibition era and Period of time

Prohibition era noun - The period from 1920 to 1933 when the sale of alcoholic beverages was prohibited in the United States by a constitutional amendment.

Period of time and prohibition era are semantically related. In some cases you can use "Period of time" instead a noun phrase "Prohibition era".

Period of time noun - An amount of time.

Prohibition era and period of time are semantically related. Sometimes you can replace phrase "Prohibition era" with "Period of time", this phrases are similar.