You will be given a definition of a task first, then some input of the task.
In this task, a passage will be given and the goal is to generate a question about temporal relations based on that passage. A temporal relation describes the relation between two things with respect to time e.g., something happens/starts/terminates/... immediately/shortly/usually/... before/after/during/... something else.
Your question should include an event, or ask about an event, and should not be a yes/no question.

Passage: "Silence cannot fool all the people all the time," the foreign minister criticized the United States for not taking part in the vote by citing Abraham Lincoln's words, one of America's most famous presidents. The economic embargo on Cuba prevents it from receiving financial aid from the World Bank and the InterAmerican Development Bank, which respectively offer loans of 4.4 billion dollars and 4.5 billion dollars each year.
Output:
What event has already finished?