Around 40% of fish species live in fresh water ecosystems
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The Thirteenth Amendment to the United States Constitution abolished slavery and involuntary servitude, except as punishment for a crime. In Congress, it was passed by the Senate on April 8, 1864, and by the House on January 31, 1865. The amendment was ratified by the required number of states on December 6, 1865. Wikipedia
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Answer:
Russia mobilizing its forces on Germany's eastern borders was the event that made Germany declare war on the allies.
Explanation:
- The killing of Archduke Franz Ferdinand by the serbian nationalist Gavrilo princip was the trigger that started world war.
- The alliance system was an important factor that caused world war 1 as, any countries who were in alliance had to help the other country if a war broke out.
- In World War I, two major alliances faced each other.
- The two major alliances that fought for the power of Europe were : Allied power that includes Russia, Britain and France and the Central Powers(Germany, Austria-Hungary).
Answer:The telegraph was invented by Samuel Morse in 1844, and telegraph wires soon sprang up all along the East Coast. During the war, 15,000 miles of telegraph cable was laid purely for military purposes. Mobile telegraph wagons reported and received communications from just behind the frontline. President Lincoln would regularly visit the Telegraph Office to get the latest news. The telegraph also enabled news sources to report on the war in a timely fashion, leading to an entirely new headache for the government: how to handle the media.