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

b. martin luther king jr. wrote and spoke "i have a dream"

explanation:

i know this 100 percent is correct   b. is the best one. < 3

question 1: a) thurgood marshall

question 2: b) the civil rights act of 1964

question 3: c) brown v board of education

question 4: d) creation of the dept of education

question 5: a) welfare and social security

explanation:

number 4. should be the correct answer

the scientific revolution brought us a renewed understanding of humanity and our place in the universe, new scientific equipment, and new laws as a basis for future scientific discovery.