Answer:
vaccination
Explanation:
Louis Pasteur had been working to find a vaccine that would cure cholera in chickens. His lab assistant gave an older, weaker strain of the disease to the birds. When these birds did not die Pasteur began to rethink his ideas a came up with our current method of administering vaccinations.
This is called critical patriotism.
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City dwellers faced the noise, dirt, and crime of the cities, the hardships of factory work, and the overcrowded, dangerous conditions of tenements.
Governments and city planners tried to alleviate dangerous conditions and make cities better, safer places to live.
Answer:
Grand Apartheid refers to underlying limitations placed on Black South Africans' access to land and political rights.
Petty Apartheid is the most visible side of the Apartheid.
Answer:
To raise revenue to finance government spending.
The money you pay in taxes goes to many places
Changing the distribution of income and wealth.
Explanation: