This isn't hard to answer - A; because Japan had so many small, isolated islands, governing the entire country was often very challengin. Imagine being the emperor or just in charge of a country which was composed of hundreds of islands. For your decree to get into motion on all of them, it needed a lot of time.
The statement that correctly describes the practice of pastoralism in Mongolia is that p<span>astoralism was a social system that was based on raising livestock to provide for the needs of the people.
This doesn't refer only to Mongolia, but to all countries - pastoralism has to do with raising cattle.
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In the cartoon, now-prosperous immigrants object to further immigration to America. The meaning behind the prosperous immigrants' shadows is that there is an underlying secret to how the immigrants became prosperous or their lives are in danger because they are more prosperous than the locals.
It showed the boston massacre and highlighted how the British soldiers were ruthless and brutal in the firefight.