<span>restrictive just took the test</span>
Dose anyone know about what?
They were able to unite because the Persian invasion of Greek mainland was a common threat for all, so they united to stop it. This was impossible before because Persia was not considered to be such a major threat.
Poland it was September 1939 and Britain and France said it would stand behind Poland but hitler didn't really care as he though the was powerful enough to stand against them