Ethiopian students problem

What is the best meaning for obscure in this line from the passage? a) ancient b) dark c) royal d) unknown

What is the historical context of the diary of a young girl by anne frank? o the holocaust o world war i siege on sarajevo the american civil war

2. page 1: schlosser describes "just another gorgeous rocky mountain vista. and yet cheyenne mountain is hardly pristine." why do you think schlosser describes the beautiful cheyenne mountain scene in detail before describing the military installation that lies inside?