The bid business transformed the US in various forms. It created new social classes - wealthy industrialists, middle classes and blue collar working class -.
Factories needed labor force, so immigrants from Europe went to the US looking for work, also Americans that used to live in rural areas moved to the cities to work.
The problem for workers was that they were mostly unemployed a part of the years, the wages were low and labor unions were not supported by the government and the owners of the factories who wanted big profit.
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.
Answer: announce officially or publicly
Four American presidents were driven to send weapons and soldier to fight in Vietnam due to the B. fear of communism spreading to many Asian countries. Around this time, US policymakers relied upon a concept of the "Domino Theory," which argued that if one nation were to fall to communism, countries nearby would then become communist.
Answer:
Instead of demoralizing Americans, it gave Americans a cause to rally behind in defeating the British once again
Explanation: