Germany's annexation of Austria and continued persecution of Jews at home exacerbated the refugee crisis. As such, there were more refugees to take in than countries would manage.
Agriculture has been the strongest sector of bulgarias econonmy since the early 1990's is false.
In Asia, different leaders used different ruling techniques. Depending on the time period of this question, you can use China, with points about their bureaucracy and their civil exam system (where you have to be intelligent to be in the government). You can use the Japan and their Tokugawa system. They had a ranking of people like the Samaria and leaders. That’s how they exercised their power.
I think the answer is pyramid... Let me know if that's it :3