What did Mike Fink, Jedediah Smith, and other mountain men and fur traders do that helped open
up the Pacific Northwest to settlement?
They formed companies that transported settlers safely west.
They encouraged religious groups to explore forming new western congregations.
They blazed trails through difficult terrain, such as the Rocky Mountains.
They fought Indians to prevent attacks on wagon trains.

im pretty sure it has something to do with the end of ww1

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.

the right answer is d