Navigation is the art of measuring distances in order to be able to a. understand time zones b. divide the earth into hemispheres c. travel from one place to another d. separate one day from another

In upholding louisiana's separate car act, the supreme court claimed thatsegregation was not the same as discriminationthe fourteenth amendment did not apply to southern statesdiscrimination was necessary in order to maintain public ordero segregation was unconstitutional based on the fourteenth amendment