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Examples of landforms include oceans, rivers, valleys, plateaus, mountains, plains, hills and glaciers.
They did it by appealing to their racism. The democrats in the south were the ones who were the confederacy in the civil war and after that they had to accept African-Americans even though they didn't want to. Conservative republicans used this to get them to vote for them because the racist democrats believed that northern democrats abandoned them.
A temporary, ad hoc panel composed of House and Senate conferees which is formed for the purpose of reconciling differences in legislation that has passed both chambers. They're usually convened to resolve bicameral differences on major and controversial legislation.