What factors were significant in the decline of both the mali and songhai empires? conversion to islam, and natural disasters civil war of succession, and natural disasters invasions by neighboring countries, and conversion to islam civil war of succession, and invasions by neighboring countries

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