①结束了松散状态，维护了国家统一

②满足了人民群众对权益的要求

③确立了美国的责任内阁制

④促进了美国资本主义的发展

鲸生活在海洋中，用肺呼吸而且是胎生哺乳的，所以它应该属于 （  ）

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                                                                                              七律·长征
                                                                                           红军不怕远征难，
                                                                                           万水千山只等闲。
                                                                                           五岭逶迤腾细浪，
                                                                                           乌蒙磅礴走泥丸。
                                                                                           金沙水拍云崖暖，
                                                                                           大渡桥横铁索寒。
                                                                                           更喜岷山千里雪，
                                                                                           三军过后尽开颜。