the purpose of a siege is to let in just enough goods to take care of the humanitarin needs of the population without giving it a good standard of living. for example, chocalates are a high luxury. most medicines are a necessity. classical music is a luxury, but a necessary luxury.
U.S. Defense Secretary Carter: Russia escalating Syria war by targeting moderates (Reuters)
from the article: WikiLeaks: Israel aimed to keep Gaza economy on brink of collapse