People may be interested to read a history of Iran-UK relations: https://en.wikipedia.org/wiki/Iran%E2%80%93United_Kingdom_relations#History_of_Anglo%E2%80%93Ir

People may be interested to read a history of Iran-UK relations: https://en.wikipedia.org/wiki/Iran%E2%80%93United_Kingdom_relations#History_of_Anglo%E2%80%93Iranian_relations https://en.wikipedia.org/wiki/Iran%E2%80%93United_Kingdom_re... tl;dr Britain has a long history of causing harm to other countries.