Could Trump take on Cuba next? The war on Iran is not yet over, yet already he is talking about taking on another longtime foe. Experts say we should take him at his word.
The island plunged into total darkness
Power cuts: Donald Trump may soon turn his attention to a third old enemy, as power outages and blackouts already leave Cuban families in the dark. Glossary
Nobel Peace Prize - An annual award given to an individual or organisation working towards peace. Past winners include Barack Obama, Malala Yousafzai and the European Union.
United Nations - An international organisation focused on keeping peace. Its refugee agency, the UNHCR, aims to assist refugees around the world.
Abducted - Taken by force, or kidnapped.
Islamic Revolution - Also known as the Iranian Revolution. An uprising in 1978-9 that saw the overthrowing of Iran's monarchy and the creation of an Islamic republic.
Ally - A person or group that cooperates with or supports another for a common purpose.
Shah - The title given to the king or emperor of Iran in the past.
Communist - An economic system entailing collective ownership of all means of production in contrast with capitalism, which holds that industry and businesses are controlled and run for profit by private owners rather than by the government.
Allied - Relating to Britain and its allies in World War One and Two.
USSR - The United Socialist Soviet Republic, the USA’s main rival in the Cold War before it collapsed and broke up into a number of smaller states in 1991.
Sanctions - Economic measures designed to punish a country, for instance by excluding it from trade.
Polls - When people are asked what their opinion is on a certain topic or who they are voting for in an election.