Technically, when people are attacked by their own government, or when they are denied equal access to education, it is the job of their fellow citizens to protect them, since the citizens should always rise up and demand justice when a government acts tyrannically.
Answer:
americans pushed westward taking lands past the Appalachians and towards the west coast
It offered women the opportunity to work outside the home. (APEX)
D) continued into the 2010s