The main reason why <span>Christopher Columbus ventured into the Caribbean in 1492 was because he was searching for a sea route to India, which he why he called the locals "Indians". </span>
I have taken this before and I believe the answer is D
If possible I'd say all of them except the fourth one down (parts of ecosystems are independant) but if not I'd say the most valid one is the second one down (healthy ecosystems help animals)
the process by which businesses or other organizations develop international influence or start operating on an international scale.
Clarification:
I found the document online.
Answer:
1. This document is a secondary source.
2. It was written in 1954.
3. According to this textbook the "Dark Ages" lasted from 476 to about 1100 C.E.
4. According to this textbook, the "early Middle Ages" were a "Dark Age" because civilization slipped back into semi-barbarism.
5. The similarity between this textbook and the American Cyclopaedia entry is that both texts talk about barbarian supremacy. However, the main difference is that the American Cyclopaedia talks about an education revival.
Explanation:
To complete this exercise, you have to read the document that has the excerpt of the textbook called The Record of Mankind written by Roehm, A., Buske, M., Webster, H. & Wesley, E.
The textbook explains that the <u>chief cause of the semi-barbarism was the lack of a government which could keep order.</u>