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Earth's mass has remained constant, and thus the gravitational pull at the surface has decreased over time; Earth's mass has grown with the volume in such a way that the surface gravity has remained constant; Earth's gravity at its surface has increased over time, in line with its hypothesized growing mass and volume.
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Poor Europeans fared a little better, often signing on to be indentured servants. This was like slavery, but it was for a specified amount of time and came with a specified bonus paid at the end. Still, injustices such as press ganging were slow to die.
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C. To limit the authority of the federal government.
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Answer: Archduke was assassinated in Sarajevo (Bosna which has mixed population - Croats, Serbs, Muslims). Gavrilo Princip was Serbian student living in Bosna. So to answer your question, the assassin of archduke was Serbian.
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Answer: Today, as a result of extensive new research and profound changes in American race relations, historians view Reconstruction far more favorably, as a time of genuine progress for former slaves and the South