Answer:
Because she cares about her sister.
Honestly, without more information there isn't a better answer.
Hope this sorta helps.
Athens and Sparta were both Greek city-states, but because of the geography and mountainous terrain, the two cities could not unite. Athens was a cultured city filled with music, theatre, art, literature, philosophy, and politics (democracy). Sparta, however, was a kingdom that was totalitarian and militaristic consiting of heavy emphasis on authority and war.
Los europeos llevaban a un enemigo oculto a los indios: nuevas enfermedades. Los pueblos nativos de América no tenían inmunidad contra las enfermedades que los exploradores y colonos europeos traían consigo. Enfermedades como la viruela, la influenza, el sarampión e incluso la varicela resultaron mortales para los indios americanos.
The word or phrase to fill into the gap is the "Ku Klux Klan", an extreme right organization calling for what they would call a "purification" of the US-American society.
