It prevented slaves from learning how to read and write. It also made it scary for them to escape because they allowed slave owners to whip them or hang them for trying to escape or committing small or big crimes.
Israel is roughly the size of Maine. Therefore, about 5 or 4 Israels should fit in Maine.
About 50 or 60 Maines should fit in the US, therefore 250 or 360 Israels should fit in the US
Pasteurization is a process where certain packaged or non-packaged food such as milk or fruit are treated with mild heat. The goal of this process is to eliminate pathogens ( infectious agent or germ) and to extend the product's shelf life.
The inventor of pasteurization was the French scientist<em> Luis Pasteur</em>. In his research he demonstrated that thermal treatment would inactivate unwanted microorganisms in wine.
Vaccination is the application of antigenic material (vaccine) to stimulate the body's immune system and to develop an immunity to a pathogen (germ).
Smallpox was the first ever disease for which a vaccine was developed. It was invented in 1976 by the English physician<em> Edward Jenner.</em> Jenner was the first person to publish evidence that the vaccine was effective. The name vaccination derives from Latin<em> vacca </em>(cow), because it was derived from a virus affecting cows.