Why has relying on one crop or resource presented an economic problem for many latin american nations? how have these nations been trying to solve these probems?

i'll write a docs for you. hold on for a moment

accomplishment : zachary taylor’s was a national war hero in his battle in an mexican war

explanation:

he was known as a national war hero for his battles in the mexican war, taylor was elected as the 12th president of the united states in 1849. he led the nation during its debates on slavery and southern secession. after serving only 16 months in office, taylor died from cholera morbus on july 9,