Answer:
Native American cultures shared two of the four characteristics with Egyptians. They had irrigation systems with complex canals to move water from the rivers into their fields. They also had road networks that evolved from simple footpaths to trails later on. 
 
        
             
        
        
        
Your answer is A. Republic. 
Hope this helps :)
        
             
        
        
        
<span>the Byzantine emperor refused to help the pope defend against Rome from my invaders because he thought it was the pope's territory</span>
        
                    
             
        
        
        
Answer:
A
Explanation:
Archimedes systematized the design of simple machines and the study of their functions and developed a rigorous theory of levers and the kinematics of the screw. His works contain a set of concrete principles upon which mechanics could be developed as a science using mathematics and reason.
The first calculation of π(pi) was done by Archimedes of Syracuse (287–212 BC), one of the greatest mathematicians of the ancient world.