If the cuban government agreed to hold fair democratic
elections, which change in us policy would be most
likely to result?

The United States would most likely lift the Embargo against Cuba and re-establish diplomatic/political ties with the nation.

Explanation:

Because the United States has had such a "bitter" relationship with the Cubans, for example the bay of pigs invasion and the Cuban Missile Crisis, we  essentially had cut all ties and trade relations with the island-nation. Recently, we have been trying to re-establish ties with the nation, but the embargo has yet to be lifted. However, if the Cuban government reformed and started to hold fair democratic elections then I would have no doubt in my mind that we would once again establish diplomatic ties and lift the embargo currently placed on Cuba.

i believe he was the 5th king of uruk. so c