<span>Reformers in the U.S. adopted aspects of the Prussian education system, such as compulsory schooling and grade levels. </span>
A. Government failure to distribute resources effectively.
Although the foundation of a socialist/ communist nation is that of distribution of wealth equitably, governments, like the Soviet Union, failed to ensure just that. Due to lack of poor decisions and corruption, a large gap started to form between the rich (bourgeoise) and the poor (proletariat). Thus, a mass struggle ensued, which in turn resulted in the collapse of the system.
Answer:
the north got a lot more factories and started to produce a lot of goods that were needed all over.