Check Up pg. 206

1. the ground was so matted with roots that the iron plows would break.
John Deere invented the steel plow.
In the 1830's.
2. Cyrus McCormick invented the reaping machine.
He donated it to the D. L. Moody.
3. a farm owned by a family.
the Bible.
4.Pennsylvania, New York, Ohio.
5. approx. 6,000.
6. Miner's safety lamp.
Sir Humphry Davy.
In 1815.
7. Clean housing, healthful food, schooling, wholesome recreation.
8. The Potato Famine.

Francis Lowell- brought the efficiency and virtue of the Protestant work ethic to the factory system.
Elias Howe- invented a much-improved sewing machine.
Isaac Singer- made further improvements to Howe's sewing machine.
power loom- improved the power loom for the rapid weaving of cotton.
patent- legal rights to a person's inventions