How does sociology help us to understand social issues like crime, poverty, and national development?

Sociology is the study (- ology) of society, its conduct, its way of life, its classes, its organizations, all of which influence individual dispositions. Whereas ” is not a “Sociology” accurate science as is science or science, it employs exact studies that are measured as logically as could reasonably be expected. Obviously, when managing human practices and connections there are an excess of variables for exactitude. 
How does sociology help us to understand social issues like crime, poverty, and national development?