Similarities:
- Both not technically "real" wars, never a declaration
- Fought between the US and Eastern nations
- US taking a moral stance (against terrorism and communism)
Differences:
- War on Terror is on-going, more recently started (started after 9/11 attacks)
- Cold War ended in the early 90s (usually signified with the fall of the Berlin Wall)
- Cold War was a more intense national threat, looming threats of nuclear warfare
After the fall of the Soviet Union, it became indisputable that the Unites States was the #1 global superpower, which established great status and responsibility to the US in their global role.