Contributions to Mathematics Developed algebra
Extended knowledge of trigonometry
Spread the concept of zero to Europe
1. Which region is credited with these mathematic contributions?
A. West Africa
B. East Asia
C. Central America
D. Southwest Asia

I think It's the middle east

Explanation:

If look up something about who developed algebra you will see it was made in babylon and that's in Iraq yall can do the rest.

the government created by the constitution is described as one where voters elect representatives to govern. i think that should be ur answer

the us constitution is a living document, meaning that it can be changed over time as the country changes.