The Crusades: Pope Urban II's Call to Arms (1095)
by Anonymous
When the Byzantine Emperor asked for mercenaries, Pope Urban II instead called for a holy crusade to recapture Jerusalem. The decision to frame it as a religious war rather than a military aid mission changed the course of history.
Holy Crusade to Jerusalem
Send Military Aid to Byzantium
Decline Byzantine Request
Like this comparison? Make it your own.
Sign up to use as templateMore in History
Abolition of the Slave Trade: Economic Pressure vs Moral Argument (1807)
Moral + Economic Argument Combined vs Moral Argument Alone vs Gradual Phase-Out
Roosevelt: New Deal or Austerity (1933)
New Deal (Government Intervention) vs Austerity (Hoover's Approach)
SpaceX: Reusable vs Expendable Rockets (2011)
Reusable First Stage vs Expendable (Industry Standard)
TCP/IP vs OSI: Internet Protocol Standard (1980s)
TCP/IP vs OSI Model
Netflix: Streaming vs DVD-by-Mail (2007)
Streaming (Netflix Pivot) vs DVD-by-Mail (Status Quo) vs Brick-and-Mortar Rental (Blockbuster)
Magellan: Strait of Magellan vs Open Ocean (1520)
Navigate the Strait vs Round Cape Horn vs Turn Back