The correct option is C. The people that are living outside of USA can not participate in the elections that vote in the congress men and the president. This is because, they are outsiders and they have no right to have any say in the matters that concern the USA government. <span />
The the Byzantine Empire tolerated Christianity this led to greater unification in the empire since many regions that had previously been persecuted were free to engage with society.
"C. was overthrown by invading Mongol tribes in A.D. 1279" would be the best phrase describing China's Song Dynasty, but this was of course not always the case.
