Did you know that in the 15th and 16th centuries people invaded countries, killed each other, and started wars over spices?! Yeah. That’s right. People killed each other over cinnamon and nutmeg. Today we might look back on those times and think, “What the heck?! Seriously?!”

And I’m thinking that 100 years from now when people look back on THESE times and learn that we invaded countries, killed each other, and started wars over oil, they’ll maybe say a 22nd century variation of “What the heck? Seriously?!” and they’ll ask in shock, “They killed each other over fossil fuels?!”

Or maybe they’ll be shocked that we hated each other for the color of our skin or our religion or our political party. Maybe when they learn that people of the 20th and early 21st century zipped alongside each other in earth-bound metal containers, traveling at speeds of 70+ mph, with…