If the author does not answer all the questions, the translator was smart to add notes with additional information. Thus, you will learn that Leon Trotsky, shortly before the revolution, secretly met Colonel Edward Mandell House, the eminence grise of President Wilson, at home, while the boss of British intelligence, Sir William Wiseman lived there.
Better than a spy novel ... here we are in history with a capital "H". Dirty tricks, double agents - even triple, crooked business men, business politicians, etc. Everything is there and it's very well told ...