Unrestricted submarine warfare is the practice of using submarines to attack and sink all forms of enemy shipping, whether they are military or civilian. It is most closely associated with the First World War when Germany's decision to use USW brought the US into the war and led to their defeat.
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I believe the first one I am pretty sure
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Answer: To stipulate how new states would be created
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Explanation: Northwest Ordinance was an ordinance made by government for the territories of United States which existed in north west part of USA. This Ordinance had two major aims, the primary aim of this Ordinance was to find out best way for the creation of future states in the region and the secondary am included abolishing slavery and guaranteeing some fundamental rights which eventually became a part of bill of rights in the later years.
Answer:he went military school at the age of 9
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