This was Horace Mann. He helped create and design the first educational system in the United States, he was the Massachusetts' Secretary of the Board of Education and he started the "Mann's Six Principles", which were his thoughts of how he would choose decisions. He did a lot for schooling and shaped it how it really is today.
I really don’t know why this is so challenging to me
People had an easier way to transport waste outdoors from inside facilities.
Hope this helps
After the passage of the seventeenth amendment, Two senators were elected to serve each state. The seventeenth amendment to the united states constitution of the United States established the popular election of the United States Senators by the people of the states.
Thwe answer is 3 i know becuase i had to research it one time hope it helps