Congress had to approve of military appointments.
The War Powers Resolution was made so that the President of the United States could not commit to an armed conflict without the consent of the Congress.
Answer: I would support this endeavor, because we are running out of resources on Earth. Colonizing Mars would also open up new jobs on and off Earth. Some would argue that we could better spend that money on helping save our planet rather the colonizing a new one. I would have to say good luck, getting the oil executives and other current un-renewable energy executives to sign up for that one. It would take hundreds of years and more money to switch from where we are now to completely renewable. Also the benefits of the scientific boom from that kind of money being put into those programs would be enormous, and not just in the space exploration. It would also help just about every other scientific field as well.
Explanation:
The colonists had to leave their families and suffer through poverty while risking their lives for independence from Britain.