Women gained acceptance as battlefield nurses during the Civil War due to the sheer need for people to help. So many men were out fighting and dying that the usual decorum of "where a woman's place was" became secondary to the needs of the cause of both the Union and Confederacy. Women initially were not allowed on the battlefield, but only to help at hospitals away from the lines. As the war waged on and the need rose, anyone with any kind of training was plunged into service anywhere it was needed.
The Silk road was much more because it was the only way to connect to China and trade with them. Chinese people were inovators and were not just simple traders. Thanks to the Silk road Europeans could get silk and spices and fireworks and gunpowder and numerous other inventions that were not found anywhere else in the world. If it hadn't been for Silk road Europe would've been much less developed.
Peace and 200 years is the answer
While living in New York, Riis experienced poverty and became a police reporter writing about the quality of life in the slums. He attempted to alleviate the bad living conditions of poor people by exposing their living conditions to the middle and upper classes. since he was an immigrant it probably put him into the same shoes as these images, without even having to empathize. its human nature to want better for yourself, and your family and friends, so this is what he hopes to do, and it worked, he sparked a progressive era for the "slums".
Answer:
your pfp tho lol dat funny