The reason for why is very simple: they believed it would increase their chance of wining. This is a common practice in the US politics and why the two main parties are well the only important parties in the US today. It is because they adapt and incorporate the beliefs of minor parties that appear and they address the issues raised by the new parties.
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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.
Explanation:
What happend to the Texas settlers when Santa Anna gained power? well the Santa Anna army marched into the almo on march 6th and 1836 and the Almo fell after 13 days seige
Was C(Zaccai). I'm not sure if I'm correct though!! Good luck!!