<P> 12 . To raise and support armies, but no appropriation of money to that use shall be for a longer term than two years; </P> <P> 13 . To provide and maintain a navy; </P> <P> 14 . To make rules for the government and regulation of the land and naval forces; </P> <P> 15 . To provide for calling forth the militia to execute the laws of the union, suppress insurrections and repel invasions; </P>

What powers does congress have under the constitution