What role did muckrakers play in the reform movement at the turn of the twentieth century? a) they lobbied congress to pass reform legislation b) they exposed social problems to the public c) they raised monet for charitable organizations d) they built settlement houses to improve living conditions

b.

explanation:

he is racist

"oh, lets coppy china and build a great wall around bla bla bla.that way,we wont lose out to other countries." in the end, he did not build anything

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.