Eliminate all of the Jewish people in Europe.
Answer:
Marxists believe that change can only be brought about through revolution, while others believe in a parliamentary route, where socialist parties will change society gradually and internally. The origins of Socialism lie in three main branches. The first of which, "Platonic Communism" is more a theory than anything else.
Explanation:
The answer is D, it became weak and vulnerable. It is proven correct of how the western Roman empire got conquered by barbarians soon afterward.
i believe it was Perchtoldsdorf
https://en.wikipedia.org/wiki/List_of_cities_conquered_by_the_Ottoman_Empire