The level of street groups is indicated by the number in front of them. For your first triumph over a street gang, you'll be rewarded handsomely. For several triumphs over street gangs, you can get not only resources but also access to things as a prize. Victories over street gangs are the most common way to obtain leadership experience. Only by defeating a previous level's street group can you challenge the next level's street group. For example, in order to attack a street group of level. 5, you must first beat a street group of lvl.4. In clashes involving street gangs, a tiny percentage of gang members will be harmed. The wounded will be taken to the hospital for treatment automatically. They will perish if there isn't enough room in the hospital.