#3: How can Germany protect Holland, Ruhr and Munich at the same time?

difficulty: beginner

The solution:

If both Munich and Holland attacks Ruhr, then they will bounce and stay in place, meaning France cannot enter Ruhr or Munich and England cannot enter Holland.

The game:

http://www.webdiplomacy.net/board.php?gameID=83521#gamePanel
Autum, 1901

Conclusion: you can protect 3 territories by 2 units if you attack the 3rd territory with both units.