7xy^ 2 z-2xz^ 2 +3xy^ 2 (9x-1,y=2 , z=3​

living during the great depression had a major affect on the mentality many people. a good portion of people who lived during that time do not trust banks. this is likely the result of the many widespread bank failures in the 30s that caused people to lose their life savings.

use wikipedia, i think they have this.

a big one is

to appoint and regulate officers of the land and naval forces,

which caused much controversy ending the articles