The first one- <em>the public began to take action by setting up committees and supporting reform candidates</em>. The influence of the muckrakers (journalists that were pro reform) was far reaching, with labor and economic relations getting a turn for the better because of their interference, that ought to expose injustices and corruption in diverse strata of american society. Inspired and instigated by their work, the public started to take matters to their hands and started changing their local political scenery in hopes that by doing this the problems denounced by the muckrakers ceased to exist.
The world's first civilizations
developed in river valleys because the land in river valleys supported
agriculture. The correct answer between all the choices given is
the second choice or letter B. I am hoping that this answer has satisfied your
query and it will be able to help you in your endeavor, and if you would like,
feel free to ask another question.
Theodora reigned the byzantine empire from about 500 AD to June 28th, 548