20. a federalist that promised that bill or rights would be added to the Consitution​

James Madison

To ensure adoption of the Constitution, the Federalists, such as James Madison, promised to add amendments specifically protecting individual liberties. These amendments, including the First Amendment, became the Bill of Rights. James Madison later became a Democratic-Republican and opposed many Federalist policies.

Explanation:

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.