Why did the coming to power in Germany of A. Hitler create the danger of war in Europe?

Because Hitler was categorically disposed. He had great goals and ideological aspirations that could be realized only through the redivision of the world. Thus, his Nazi policies immediately made themselves felt. There was an unlock of Czechoslovakia and Austria. Then the war broke out in Europe. This is how one of the largest world wars was unleashed. If not for fierce resistance, Hitler was able to capture all of Europe and part of Asia, and possibly northern Africa.