Answer:
These strengths included a strong foundation, having been built off of the Roman Republic; the standardization across the empire of many aspects of life, such as language, law, and especially the extension of citizenship, which made the empire more cohesive and easier to rule; and strong leaders, who were able to utilize the manipulation of the upper class and Senate, and the management of the military.
Because the 15th amendment extended the right to vote to African American men but it did not allow women to vote, which angered them.
Amnesty International is a non-governmental organization concerned primarily with human rights.
Secretary of State Hillary Clinton called the Internet and mobile technology the "destroyer of stable democracy".