One effect of the Neolithic Revolution was that people began to:

the idealization of the rural landscape ; admiration for the beauty of nature ; focus on an individual's inner concerns

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.

probably that america is racist

confederacy: supported slavery, believed states should be able to nullify federal laws, supported low tariffs

union: everything else