Of all the four choices, the one that they both failed is <span>(B)Ridding Russia of serfdom.
They both gave several social and political reforms, but they were criticized by historians for not providing laws to help improve the lives of serfs in Russia</span>
Helen Keller offered a different perspective of living life by demonstrating that she was able to have a creative personality all while being blind. Her struggles represent the amount of hard work that went into who she is today. People look up to her for that.
The correct answer is north.
This was a period of rapid industrialization which was common in the northern parts of United States of America. It's called gilded because like gilded things, it seemed as if things were going great but that was just a thin layer that was covering a plethora of various social and economic issues. The south didn't experience this very much because they were rather traditionally oriented in their business endeavors and manufacture so they experience the problems of the gilded age as much as the northern parts did.<span />
They were African Americans who spoke and wrote in favor of abolition. hope this helps :)