The European powers created colonies in the Americas for their resources. And America could create more crops like Cotton and Tabaco so it was benifital to them.
Well there are many words that can answer that. Is there a word box or hints towards the specific words? If not just say heavily.
Air pollution, and ozone layer depletion<span>
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Establishment of new schools and colleges.
Boost of morale.
Political unification of India.
Growth of nationalism.
