Why did housing prices rise rapidly during 2002-2005? Why did the mortgage default
rate increase so sharply during 2006 and 2007 even before the current recession began?

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.

the adoption by russian princes of the mongols' diplomatic rituals

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.