Answer:
first one
Explanation:
because climate is tolerable
Answer:
D. Primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.
Explanation:
Primary sources are the historical sources which are the main sources of this information and may be in the form of old diaries or printings while the secondary sources are derived after studying from the primary sources and making references to it by historians. The secondary sources may include books written on the subject by people.
This validates Primary sources being created during a particular historical era, and secondary sources being created by studying primary sources.
It is believed by the scientist that vaccinating the entire populace is not a good idea seeing that the vaccine has side effects.
<h3>What is smallpox?</h3>
Smallpox is a skin disease caused by a virus called the variola virus. It manifests by the development of blisters filled with pox on the skin of humans.
Smallpox led to the death of scores of numbers of people until it got eradicated by WHO in 1980.
Learn more about the Smallpox here
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Answer:
Last Stand, marked the most decisive Native American victory and the worst U.S. Army defeat in the long Plains Indian War.
Explanation: