The PPC (or PPF, same thing) shows economic growth because it outlines exactly what the economy can produce at that moment. When it shifts outward in any way (be it towards consumer and capital goods, or X and Y), that MUST be because of economic growth.
The answer here would be C-President Truman never asked Congress for a formal declaration of war.
<span>Critics believe that President Polk used the threat of force to force Mexico to concede all rights to the Texas territory and possibly even more land. America was still expanding and needed more land to do so. The president was already attempting to purchase California, so showing that we could take Texas furthered his goal there as well. Settlers in Texas feared loss of their land. So the president was cajoling Mexico into forgoing all rights.</span>
