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In 1824 Congress passed a law to improve navigation on the Mississippi River. The law would benefit commerce on the river, and required the removal of impassable river rocks in different sections of the Upper Mississippi River. What invention would have motivated Congress to pass this law? A) dynamite B) the submarine C) the steamboat D) the transcontinental railroad
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In 1824 Congress passed a law to improve navigation on the Mississippi River. The law would benefit...
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