The Kingdom of Prussia (aka "Germany") and the Austrian Empire joined together to seize the territory of Schleswig-Holstein from Denmark due to the regions majority German population.
The fab four was The Beatles.
D. is the correct answer. During the civil war medics where considered nuetral and were not shot. Sometimes medics would even help enemies lying on the battle field.
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They first divided it into parties, the federalist and the anti-federalist party which caused a social drift between people. Another early challenge was growth and development which separated the country into northern states that were already developed and southern states that were developing rapidly. This second challenge was both social and regional.