Answer:
Studying African history and current events gives us a deeper understanding of world history and even modern American history. For instance, the relationship between the United States and Africa predates American Independence.You become a better-informed global citizen when you study Africa.
Mayans believed in multiple Gods especially the corn God , they even squished their heads to be shaped like corn that’s how much they worshipped him .. Aztecs sacrificed people as a religious practice (even ate them) and played deadly games that results on the winners having to be the sacrifice ... they just did a lot of human sacrifices and eating of humans fun fact : they sacrificed sooo much that the temples that they had created which were made of clay of some sort (and brown colored) was so bloody that from a distance you would think it was painted red
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
The decimal system and the development of the concept of zero are considered the greatest advancements of Indian mathematicians because thos concepts came to give mathematics a whole different meaning and a series of new possibilities to be applied in the field of mathematics with practical applications such as the numeral system, mathematical operations, measures, trade, among others.
Thousands of years before the Europeans could use it, the Indians had already discovered the zero and the decimals. This shows the intelligence and focus of the people in India. These concepts spread all over the Middle East and China before arriving in Europe.
The number system in India can be traced back to the sacred book called "The Vedas," approximately in 1200 BC.
The roots of Hinduism are found in India and Nepal if you means descenders by roots.