Plz, . which of these groups introduced the mathematical concept of zero to the americas?

a. the zapotec

b. the olmec

c. the spanish

d. the maya

The correct answer is D: the Maya

Explanation:

Although the first zero was found in Mesopotamia, the Mayans invented it separately from the Mesopotamian civilization in approximately 4 A.D.

They wrote zero as a shell-shaped number and used it in their Long Count Calendar as a place-holder.

For the Mayans, zero was the base for correct counting, so the first day of the month was zero, the second day was one, etc.

every of the four river valley civilizations, religion played an enormous role in shaping and cultivating each civilization. this essay will briefly discuss how religion formed the river valley people’s government and view on geography. religion dictated how the peoples of the river valley civilizations managed government and geography.

            religious leaders played prominent roles in every river valley civilizations form of government. from ancient egypt and mesopotamia to china’s historic empire and the indus river valley, all the river valley civilizations had significant religious figures. in ancient egypt, the pharaoh was revered as a god and therefore was given his right as supreme governing authority in the eyes of the people. the elusive emperors of china gained there governing rights by a mandate of heaven creating long lines of dynasties until the common people of china felt the dynasty had lost the favor of the gods. chinese emperors were not only governing leaders but also the spiritual leaders of ancient china. mesopotamian and indus river valley priests were referred as has head officials who had vast amounts of authority in these two civilizations primitive forms of democracy. religion shaped the structure and social caste of the four river valley civilizations.

hope that

a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same