Both state and federal government have the power to

set up courts

collect taxes

build roads

create banks

make and enforce laws

hold elections

take care of the health and safety of citizens

borrow money

spend money for the people

take private property for 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.