1.true,he would probably die trying
2.keep country in check with local militia units,and form elite and modern army to crush anything bigger or act against other countries.
3.Soviets supported germans from Locarno pact,and gave them place to try their tanks,planes,and everything which they could not made in germany.Hitler stopped that in 1933,and started asking Poland for crusade against soviets.If we only agree....
And crushing Hitler would be easy in 1938,becouse Romania belonged to Little Ententa,just like Czech.just send them to help Czech,Romania must agree.
4.True,Romanow are out of question.