D.The Egyptians could not build roads, and therefore they had to depend on the Nile river for transportation.
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After the Civil War, the US Constitution became a means to ensure that African-Americans had rights in American society. This was due to the passage of the following three amendments:
1) 13th amendment- This outlawed slavery or forced labor all over the US.
2) 14th amendment- This amendment states that any person born on US soil or naturalized has all of the rights/freedoms guaranteed in the US Constitution.
3) 15th amendment- This amendment states that a person cannot be stopped from voting based on race, color, or past servitude. Essentially, this makes it so that a government can't stop a person from voting based on the fact that they were a slave before this time period.
Germany had the urge to split its region between the Protestants in the north and the Catholics in the south because of the rising conflicts in these religious factions at the time of the "Age of Reformation." The continuous tensions between these two factions could rattle the political structure of Germany.