What caused Reagan to begin a massive military buildup, and what was its effect on the spread of communism?

For the answer to the question above asking w hat caused Reagan to begin a massive military buildup, and what was its effect on the spread of communism? After America closed her doors to an expensive war in Vietnam (1975) 1, the nation was in need of an overhaul of the economy, military, and public morale. Ronald Reagan's1980 presidential victory signaled what many believed the country needed to get back on its superpower feet again.