Republicans tend to think that what is good for America will be good for Americans. This makes them support the a strong armed forces, low corporate taxes, things like FISA wiretaps, etc.
Democrats tend to think that what is good for Americans will be good for America. This makes them support the unions, national health care, the Department of Education, etc.
One could argue that neither viewpoint is a) completely right, b) completely ywrong, c) very healthy and d) very intelligent.