4. Jacob Riis, in How the Other Half Lives, and Lincoln Steffens, in The Shame of the Cities, contributed to reform movements in the United States by (1) exposing poverty and corruption
(2) opposing westward expansion
(3) criticizing racial injustice
(4) supporting organized labor
please help

the answer is a glaciers carved a large valley that later flooded and became puget sound

a true

explanation:

the american colonists were happy with their vicorty, but the french were mad and the french and indians were not alies, and neither were the french and colonist. i think,

this is some false statement. aliens aren't real.

hope this .