<span>the release of the film “The Birth of a Nation”</span>
<span>The Spirit of the Laws, in which he argued for a constitutional government with three separate branches, each of which would have defined abilities to check the powers of the others. Simply so that no one branch had to much power. </span>
America's economy grew by more than 400% between 1860 and 1900 Technological advances, expanding population, improved transportation, financial innovation, and new business practices combined to fuel this economic growth "Titans of Industry".
I can list a couple for both I guess.
Opening:
People getting infected, angry parents, school administration being flamed and you can be fired potentially, a negative thing from my perspective.
Closing:
Very low risk for students being infected, work from home, more time for students to rest, meaning a overall positive thing in my opinion.