Alliances in Civilization can be a vital part to take victory.

When does it Enabled

As the Eras progressed. Alliances is a crucial. where 2 or more civilization forged an Alliance. being a Vassal and an Ally is a good and one of the Key to gain victory too.

Alliance Can Enable

  • Open Borders
  • Vassal State
  • Defensive Pact


  • Pleased
  • Friendly