It helped to provide them with food and was very fertile for farming. It was also very helpful for transportation.
The reason behind it is Sociology talks about society, social relationship and also culture. commerce talks about the economy whatever, we purchase and sell. ... The study of sociology and commerce helps us to understand the need for people and helps us to understand the market opportunities and public relations.
Depending on the spread of the bloodstain.
Blood stain that spread in large distance within small pebbles usually indicates a hard force such as blunt weapons attack or bullets
If the bloodstain is gushing down like a pool, it indicates a stabbing incidents using sharp objects.
