Your should put your cited source on a separate sheet of paper at the end of your article
Answer:
Cavalry regiments were composed of ten companies of 100 to 110 troopers each. There were five squadrons in a regiment, a squadron being a combination of two companies. This was later changed and the regiments were divided into three battalions.
The word settled is used correctly in that sentence. If there are more sentences comment them I can help.
The answer would be option B "Paraphrasing plagiarism." It would not be option A because if the student version was word for word plagiarism then it would look exactly like the original version. It isn't option C because I can still see some similarities between the two versions but one is a simplified version of the other. It is option B because paraphrasing plagiarism is copying but reducing the work into more simpler terms.
Hope this helps.