Which is an example of a city raising revenue for a specific need?

b europeans take corn to africa. corn becomes an important crop there.

so, based on the research i've done. the u.s. government were always on a wild goose chase just to take down castro. he then retired his trone to his brother raul in 2008 due to some health issues. so it's obvious your answer would be:

castro had no allies from which he could receive aid.

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                                                    -wolfiewolffromsketch

wealth comes from those who are the most hard working and   competent