Answer:
"The country was weary of all of the Watergate scandal under Nixon and by association of Party affiliation Gerald Ford and as often happens in the wake of such incidents, the voters voted for the opposite party candidate."
The Us were able to find same Cuban products from other supplier countries, while the Cuban country had to find other suppliers.
Cuba was not able to develop a high commerce with the US and the surrounding countries were not necessarily the best ones to make business with. Cuba had the support from the former USSR until 1989 when it was dissolved. Russia continued helping but not at the same level or amount as before.
