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.
Stalin was determined to capture West Berlin and gain concessions from the west.
Answer:
Aryans from central Asia invaded South Asia and introduced the caste system as a means of controlling the local populations.
The number of electoral votes for president is equal to the number of U.S. Senators (Two per state) plus the number of House Representatives (Varied upon state population and size).