What if an event in history did not happen?

If I were a history teacher, I think I would gauge how students think by asking them to respond to a simple question – what would have transpired if an event in history did not happen?  This would show the importance of that event on world affairs, as well as revealing the influence certain events have on decisions to act or not act on subsequent issues. For example, the US delayed getting into WWII as a result of being involved in WWI, which was used as an argument by isolationists not to participate.

Here are few examples to think about. Pick one or two and tell me what you think may have transpired.

  • What if Japan never bombed Pearl Harbor?
  • What if President George W. Bush and team did not fabricate the Weapons of Mass Destruction (WMD) story as a reason to invade Iraq?
  • What if Robert F. Kennedy was not assassinated?
  • What if the Robber Baron period in the US continued without check?
  • What if the verdict in Brown v Board of Education said separate but equal schools were constitutional?
  • What if President Teddy Roosevelt did not sanction the building of the Panama Canal?
  • What if the South prevailed enough in the Civil War to remain separate?
  • What if President Ronald Reagan had not made his famous speech in Berlin and ad-libbed, “tear down this wall?”
  • What if Senator Joseph McCarthy was stood up to earlier by other leaders?
  • What if Great Britain prevailed in the War of 1812?

Although, there are some global questions, most of these questions are US centric, so please forgive. If the reaction is good to this, I may follow-up with less US centric questions.  I would love to hear your thoughts. Keep them reasonably brief, so others can enjoy and react to them.