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.
The draft is one major way
the second would be the change from peace time production to war production hope this helps sorry if it doesnt
Answer:
C
Explanation:
The New England colonies were America's bastion of Protestantism and the factories of New England were the model for the description of a protestant work ethic in the New World.
The correct answer should be<span> C. There was exportation of slaves during the slave-trade-era
The triangular trade made it possible for millions of people to become transported from Africa to the new world. Those who remained waged wars as tribes tried to conquer other tribes and enslave them and sell them to white people. </span>
