It would be "Polynesia" that was a region of Oceania greatly affected by European colonization, forced slavery, and deadly diseases, since this territory was highly advantageous for countries looking to increase production and expand their empires.
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Like Italy, Germany had quite a few serious issues to resolve once unification took place. Regional differences, developing since the first settlement of the Germanic tribes during the Roman Empire, were distinct, and local princes refused to give up substantial power to the central government. The Berlin assembly, therefore, was kept weak. Germany, like the United States under the Articles of the Confederation, seemed merely a loose of confederation of autonomous states. In Germany's case, one state, Prussia, was absolutely dominant due to its size, power, and military strength. This, combined with Bismarck's skillful conduct in international and national affairs as chancellor, kept the empire together until 1914.
Explanation:
Answer:
people invaded other countries and traded, spreading language and customs
U.S government hope this helps