To bring about a balance of power in Europe and prevent further conflict, they developed what became known as the Concert of Europe, beginning with the Congress of Vienna. The Congress of Vienna dissolved the Napoleonic world and attempted to restore the monarchies Napoleon had overthrown.
The answer is B - Constantine
The answer is:
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"an irregular boundary—specifically, an irregular coastline".
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The League of Nations was the international organization set up by Woodrow Wilson in the following days after WWI, and was designed to bring the countries together and stop another world war. However, because of arguments between nations, the League did not last as intended, and was replaced after the second world war by the United Nations, which lasts until today.
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