For both of the world wars, the United States mobilized by drastically increasing war production and output. It also used campaigns to rally everyone around the war effort.
racist is everywhere so I don't think so
The republican in 1950's and 60's was much different than 1860's version.The FDR's new deal cost most African Americans to start moving to the Democrat.
Relative chronology- locating related events relative to each other. Absolute chronology- locating specific dates in a chronological era.