Answer: language
Explanation:
knowledge of language it’s nature and origin and the use of it
It was "(D) Passage of antitrust legislation" that was not a result of the Haymarket Square riot of <span>1886, since these protests had to do with creating safer and fairer working environments--such as setting an eight-hour work day. </span>
The "Redeemers" were a group of pro-business, conservative Democrats in the Southern US in the years after the Reconstruction period that followed the Civil War.
The name was a reference to their intention to "redeem" the South from the new order. They were unhappy with the liberal changes that went on during this period, especially the abolition of slavery and the improvement of the conditions of liberated African Americans.