Answer:
Although Mumbai is a relevantly safe city, it has a crime filled underworld. With organised crime, smuggling, black markets, and kidnapping the rich for vast ransoms. Overcrowded trains and roads, pollution, poor sanitation and overpopulation in slums are also common urban problems in Mumbai.
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<em>hope it helps!!</em></h2>
<span>Their progress and wealth is highly dependent on the harvests, and
the price of grain. They probably have to import some industrial
products and if they had a bad year (weather, other catastrophies, poor
technology) they can't get the necessary amount of industrial products
in exchange for their surplus e. g. in grain. </span>
A. Add up individuals who came into the area because of reproduction or immigration