i dont know the answer and i havent done this
Slums are called bustees<span>, </span>jhunggi<span>, and </span>chawl<span>. They occur in all major cities of the southern part of Asia. In south Asia's fast-growing </span>major<span> cities, </span><span>a large part of the </span>population are slum dwellers. They experience problems of flooding and scarcity of resources.
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Best bet is radio because radio everywhere it spreads faster then the newspapers , which my 2nd guest would b the news papers