Clock? I think. I know they invented the calendar
It improved it a lot because schools started to open longer hours and teach different types of curriculums
Answer:
Battle of the Thames was won by William Henry Harrison, Battle of horseshoe bend was won by Andrew Jackson, Battle of New Orleans was won by Andrew Jackson, Battle of Put-in-bay was won by Oliver Perry, and battle of Tippecanoe was won by William Henry Harrison.
They thought they would die on the way & they did not want to take their risk
Most hills are "B. Not steep", since for it to be a hill it needs to be somewhere in between the elevation of flat land and mountainous land, which of course is much higher and usually steeper.