Answer:
C. The Emancipation Proclamation freed slaves only in states that had seceded from the Union.
Explanation:
Basically, the work of a historians mostly relies on studying and examining different kinds of historical sources and using them to shed a light on historical events. Of course, this is only a brief and simplified summary of their job.
But the most important thing is that they need to use facts and factual evidence.
Only answer C results from examinations of a historical material source (The Emancipation Proclamation, a written document). In that way it presents a strong evidence, which can easily be checked and verified, that support the claim.
Other answers express only opinions, without providing any evidence, and as such should never be used by historians, especially answer D which is an example of a logical fallacy.
No they don't, because when the archaeologist got there they messed up everything.
The correct answer that would best complete the given statement above is artifacts. Scientists have learned about how early Texans adapted to and changed their environment by looking at artifacts. Artifacts are any objects that are made by human beings, and is being observed for scientific investigation or experiment for archaeological interest.
She got really famous by getting really good at tennis.
