Americans at home were willing to deal with rationing during the times of WW2 to support the troops because most of that ration money would go to the US military.
This was more just to support the war effort in America. During World War 2, many Americans were very patriotic and due to some propaganda campaigns spread around the country, most people joined in helping out the military. By rationing, the extra supplies would go to the military.
The Supreme Court and other federal courts (judicial branch) can declare laws or presidential actions unconstitutional, in a process known as judicial review. By passing amendments to the Constitution, Congress can effectively check the decisions of the Supreme Court
spanish had only 2 thinks, get gold and richness and convert natives to christian whiel doing other activities proper of colonialism like send fruits and animals to spain and viceversa or get some slaves