C). It failed to poll poor voters, because the names of the mailing list for the poll were taken from phone directories/magazine subscribers/etc., which tended to just be composed of middle-class/upper-class voters since they were the ones who could afford it
In China between 1989 and 1901, a Chinese secret organization called the Yihequan (Righteous and harmonious fists) led an uprising in northern China against the spread of Western and Japanese influence there. The group practiced certain boxing and rituals in the belief that this made them invulnerable. Their members, referred to by Westerners as Boxers killed foreigners and Chinese Christians and destroyed foreign property. By the terms of the Boxer Protocol, which officially ended the rebellion in 1901, China agreed to pay more than $330 million in reparations.
People who went to the South looking for political and business opportunities after the Civil War were Northerners and other opportunists called "carpetbaggers," since these people were depicted as arriving in the South with very few supplies of their own.