I think they depend on stores because stores donate things to nongovernmental organizations. Also, surrounding states when a natural disaster occurs people from other states support these organizations. They depend on support and hope to get through whatever there going through.
Generally speaking, Vietnamese culture was more connected to "Southeast Asian culture" than to China, since China's influence in the region was almost all political in nature.
The Roman Empire, depending slightly on the exact time period in question, was an "autocracy," since practically all the political power was consolidated in the seat of a single ruler.
Rosa Parks suppose to be the right answer