From 450,000 to possibly 650,000. i hope this helps. :-)
C: Oregon became the first state west of the Rocky Mountains due to its rapid increase in population during the mid-1800s.
B: The Federal Government needs to respond quickly.
Congress needs to go through a long and careful process to get things done, not to mention them needing to have the majority of congress agree.
The president/executive branch of the government is made up of much less people, as well as the president himself being commander and chief of the military.
Time is very important during a national emergency, and the president can get things done quickly.
Hope this helps.
The answer is D because I learned this already and remember him being failed by one vote