Answer:
End of 19th century into 20th
Explanation:
Statistical or numerical information I think.
To tell you a story, and perhaps to teach you something
redundancy is a state of not being need at all or anymore. people when they repeat their words it can become redundant and annoying for there is no purpose to them. so which sentence is stating something not needed. Redundancy usually involves repeating something or adding in information that is completely unnecessary. so look for that.
