Answer:
They are different because the Olmec and maya mysteriously disappeared while the Aztec and incas conquered by the Spanish.
Explanation:
 
        
             
        
        
        
They had improved ship designs, navigation accuracy and cannons as well as joint stock companies
        
             
        
        
        
True jesus was compared to rivers of water in a dry place
        
                    
             
        
        
        
Answer:
The correct answer would be, It lessens the chance that bias will affect the review process. 
Explanation:
Grant proposal reviewers are people who review the proposal came to them to approve or reject a grant. They select the proposal on the basis of certain ground to approve the grant. If there comes a proposal, which conflicts with their interest, then it is better to get themselves removed from the review process, because if they do so, there are pretty fair chances that they become biased and can reject the grant on the basis of their own views. So if they get themselves separated from the review process, it would lessen the chance that bias will affect the review process. 
 
        
             
        
        
        
 
Federal government is better than unitary government because : The power is not concentrated in only in the centre but it is distributed at the state or lower levels as well. This helps to avoid conflicts.The federal system is notorious for the diffusion of authority to a point where it is impossible for citizen to assign
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