A. The discovery of penicillin
        
                    
             
        
        
        
Answer: yes
Explanation:Marco Polo was an example of a western counterpart
 
        
             
        
        
        
<span>According to the four-drive theory, the drive to acquire is most closely associated with the need for relative status and recognition.</span>
        
             
        
        
        
Answer:
De León's research was in response to ( and criticizing)the federal border enforcement policy. The policy turned a blind eye, and did not stop the crossing of migrants in high risk areas, that were characterized by extreme environmental conditions, that were life threatening.
Explanation:
The four major fields De León used were:
- Forensic Science
 - Ethnography
 - Archaeology
 - Linguistics