Answer:
it represents in the first one
 
        
                    
             
        
        
        
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Overpopulation is just one hurdle. Overpopulated, developing countries face more food shortages, water scarcity and stunted economic growth by far than more developed nations. ... Uncontrolled fertility causes poverty, which causes hunger, scarcity and distress.
 
        
                    
             
        
        
        
Subjective well-being among university and college students is positively correlated with the extent to which love is valued and negatively correlated with the extent to which money is valued.
Subjective well-being refers to how people experience and value certain areas and activities of their lives and lives. Life satisfaction, or subjective well-being, affects many part of our lives. Subjective well-being affects issues such as physical and mental health not only on an individual level, but also through relationships. 
The cumulative impact on an individual's physical and mental health also has profound implications for groups, organizations, and communities. Subjective health can directly affect physical health. Subjective well-being can reverse the effects of negative emotions on health.
Know more about Subjective well-being here
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Answer:
-German unrestricted submarine warfare
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In contrast to the South where the cash crop plantation system dominated, and New England whose rocky soil made large-scale agriculture difficult, The middle colonies were fertile. Land was generally acquired more easily than in New England or in the plantation South.