Who were the two african americans to serve as u. s. senators during
reconstruction?
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a. hiram r. revels and blanche k. bruce
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b. booker t. washington and w. e. b. du bois
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c. thaddeus stevens and charles sumner
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d. jefferson davis and alexander stephens

could you use this to with a topic?

the key difference between a democracy and a republic lies in the limits placed on government by the law, which has implications for minority rights. both forms of government tend to use a representational system — i.e., citizens vote to elect politicians to represent their interests and form the government.

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.