Answer:
Hieroglyphs because words and sentences can be formed with hieroglyphs (the different characters can represent different words and/or letters) which is very close to writing.
The African kingdom that used seashells as it is form of currency is Mali Kingdom
C. Suburban It's just outside the city. So, suburban
plants, animals, culture, human populations, technology, and ideas between the Americas, West Africa, and the Old World in the 15th and 16th centuries