In the book, And Then There Were None, many alliances are formed. However, the alliances do not last very long, and there is little to no trust shown in them. There are different types of alliances formed, kinds that can help or hurt the murderer.
The first alliance made was between Blore, Armstrong, and Lombard. They teamed up to locate U.N. Owen and take him down. Blore was added to the group because he was an ex-detective, and he could identify if something looked out of place and tell them whether or not it was a clue. Armstrong was invited into the group because he could diagnose the bodies and could have seen something the others didn’t. Lombard was added to the group because most suspected he