 The Pact's clauses provided a written guarantee of peace by each party towards the other and a declared commitment that neither government would ally itself to or aid an enemy of the other.In addition to the publicly-announced stipulations of non-aggression, the treaty included a secret protocol, which defined the borders of Soviet and German spheres of influence across Poland, Lithuania, Latvia, Estonia and Finland.The secret protocol also recognised the interest of Lithuania in the Vilno region, and Germany declared its complete disinterest in Bessarabia.