So is this the beginning of an Empire in the North?
No.
Whatever bloodbath you gentlemen wish to start, please leave us out of it as we have no intentions for violence (and our borders are open to all traders).
Artyem, as it states in the document, this is a
DEFENSIVE agreement.
de·fen·sive /diˈfensiv/Adjective:
1. Used or intended to defend or protect: "troops in defensive positions".
2. (in sports) Relating to or intended as defense.
Antonyms: attacking, harmful, hurtful, injurious, threatening