Map legend, or map key as it's also known, is a chart or table with a description of all the symbols used on the map along with their explanation.
Arab–Byzantine wars were a series of wars between the mostly Arab Muslims and the East Roman or Byzantine Empire between the 7th and 11th centuries AD, started during the initial Muslim conquests under the expansionist Rashidun and Umayyad caliphs in the 7th century and continued by their successors until the mid-11th century.
I would say B
Hope I helped (SharkieOwO)
New Zealand is not on the map
