Bbcismynamecausethatswhatyouneed
The "elastic clause" allowed Congress to make laws it needs to carry out its own powers. An example of how Congress uses it today is how Congress needs to make laws that shall be necessary and proper for carrying into execution of the forgoing powers, and all the other powers vested by the Constitution in the Government of the department.
A trade that involves more than one state, and that is, under the constitution, a proper subject of federal law
C. is correct. After declaring war on Japan, the United States sent troops to Europe. USA had to rebuild some of it's navy before island hopping in the Pacific. However, none of the aircraft carriers were hit at the Battle of Pearl Harbor. They will play a key role throughout the Pacific Theater of WWII.
