The vote over whether to allow slavery
The correct answer is Greenback.
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A written legal code would be am improvement over an oral set of laws because citizens may forget laws, depending on how much there are. Having them written, where everyone can read it, may help them better understand and remember the acts/laws.
Answer:
The reasons for war were many, but there were two immediate ones: America's support the ongoing struggle by Cubans and Filipinos against Spanish rule, and the mysterious explosion of the battleship U.S.S. Maine in Havana Harbor.