Answer:
C. In 2003 for the Iraq War.
Explanation:
The US dispatched troops over there to take down Iraq. This was the latest draft for military service out of all the answer choices.
 
        
             
        
        
        
The correct answer to this question is c
        
             
        
        
        
Answer:
Concentration camps served primarily as detention and labor centers, while extermination camps were killing centers for efficient mass murder.
 
        
             
        
        
        
Answer: While building the city Tenochtitlan on the islands of lake Texcoco, the Aztecs faced swampy lands with no foundations and soil that was bad for farming. 
Explanation: Because the islands in lake texcoco did not have very solid ground, the Aztecs had trouble building their city. They overcame these challenges by building canals to reroute the water.
 
        
             
        
        
        
That would be archeologist.
The Study of Artifacts is called Archeology.