What seems to be the purpose of this document that was written by William Penn? to ensure people have an accurate view of Pennsylvania to inform people about the dangers of Pennsylvania to encourage people to move to Pennsylvania

porter is writing economic history because he is focusing on the cost of developing vaccines.

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.