How long did Jim Crow laws remain in effect?

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.