Answer:
<em>The enmity between the two countries had long historical roots and racist underpinnings: Dominicans, with their Spanish culture and largely European ancestry, looked disdainfully upon black Haitian labourers; however, the Dominican economy depended on cheap Haitian labour. François Duvalier, 1963.</em>
Explanation:
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<em>I </em><em>hope</em><em> this</em><em> helps</em><em>!</em></h3>
Something directly associated to better transport lines: increased settlements in the West
Each country had a different economic system (capitalism in the USA and communism in the SU), which caused competition.
This competition led to military competition and a nuclear arms race, which was called the Cold War. The nuclear arms race became the greatest point of tension.
