Detailed Instructions: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Problem:The United States and Cuba have reached an agreement to reopen embassies and restore diplomatic ties severed more than five decades ago, and the historic deal will be unveiled on Wednesday, U.S. officials said on Tuesday. Nearly seven months after U.S. President Barack Obama and Cuban President Raul Castro sealed a diplomatic breakthrough, Obama will announce the new steps toward rapprochement in the White House Rose Garden at 11 a.m on Wednesday. Signaling it is likely to act in sync with the United States, Cuba's Communist government said the chief of the U.S. mission, Jeffrey DeLaurentis, would meet the interim foreign minister in Havana on Wednesday to deliver a note from Obama to Castro on the re-establishment of ties between the two former Cold War rivals.Embassies to open in Havana and Washington more than 50 years after they were closedPresident Obama to announce the decision in the White House Rose Garden on WednesdayMove is latest step in normalizing of relationships between the two Cold War enemies after more than 50-years of hostility 
 Question:A _ economic embargo against Cuba will remain in place,.
Solution:
United States