Your answer to this question should be Sociologists
#1: indoor plumbing, ppl cud get h2o and not have to run 2 nearest h20 site.
#2: indoor lighting, the risk of causing a fire with candles was high...hope this helps
Answer:
• Completion of Manifest Destiny in 1840s PRE 1865
• Breakdown of politics/society in 1850s PRE 1865
• Civil War 1861-1865
Explanation: