Using the attached notes and case answer the following questions within the essay.1. Mention the word — de facto recognition.2. Explain the act of state doctrine3. Consider the issue of root of title in relation to the wood4. Take about the court finding out the status of Russia from the Foreign Office5. Sovereign Immunity- why does this issue not come up in the case– Who is Luther suing?6. Why did Britain not recognize the Soviet Union in 1918 and 1919?7. Can recognition have retroactive effect?