Germany violated the treaty of ?

Versailles

Explanation:

The first way Hitler broke the treaty was over Germanys armed forces. In 1934, he destroyed the League of Nations Disarmament. Hope this helped:)

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration

sonar maybe? ? i dont know the choices