@kaia_ An interesting thing about all of this, is that Sun Tzu was all about winning the war with the least amount of death and destruction. He advised to win a war with politics and diplomacy, if possible.
@barbara82and Here is the complete order to watch naruto movies in order.
Naruto the Movie: Ninja Clash in the Land of Snow (2004)
Naruto the Movie: Legend of the Stone of Gelel ( 2005 )
Naruto the Movie: Guardians of the Crescent Moon Kingdom ( 2006 )
Naruto Shippuden the Movie ( 2007 )
If you want to know the complete order, then i found this complete article on that. Cheers!