It was important because it enabled countries to make steel cheaply and this was then used to make better tools and better machinery and it enabled the industry to prosper. This forced them to become imperialistic in order to get more resources to increase the scope of the revolution even more.
It led to a significant decrease in slavery and the slave trade
Amendment #5 because she doesn't want to incriminate herself
About the 9th and 10th Amendments. AMENDMENT IX to the Constitution of the United States: The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people.