<span>C. Nobles could protect their property and local people from Viking raiders and armed bands by offering land in exchange for loyalty and military service.
hope this helps</span>
Answer:
A
Explanation:
Indian mathematicians made early contributions to the study of the concept of zero as a number, negative numbers, arithmetic, and algebra. In addition, trigonometry was further advanced in India, and, in particular, the modern definitions of sine and cosine were developed there.
The Seneca Falls Convention was held in A. New York.