In a feudal system, a vassal, akin to a serf in most contexts, in general worked land on a lord's fiefdom in exchange for some of the produce from the land and some military protection.
It is a because britan started to get scared and they ran from the confedercay
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Answer:
The concept of social infrastructure is generally contrasted by physical or economic infrastructure. While the physical infrastructure directly supports economic growth, social infrastructure aims to help build the community by providing the necessary social services [28] and improving residents' quality of life [29] .
