After Slavery ended, the citizenship and voting rights were extended to former slaves, but it was not until a long time after that that women were granted the right to vote so the correct answer is:
<span>D. Slavery was abolished and voting rights were extended to all male citizens</span>
the abolition of slavery was the 13th Amendment, and the 15th Amendment extended the voting rights.
It could be argued that the characteristic that is the most important for development of a civilization is "food production," since having a surplus of food allows people who are not farmers to develop new skills and trades.
<span>France suffered the most during the fighting because all of the battles on the Western Front were in France aside from a small minority in Belgium. </span>