Sinclair v. United States References Sinclair v. United States law case Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: legislative investigative powers…Nearly four decades later, in Sinclair v. United States (1929), the court, less hostile to congressional inquiries, ruled that a witness could not refuse to answer questions on the grounds that questions related to his private affairs. Read More…Nearly four decades later, in Sinclair v. United States (1929), the court, less hostile to congressional inquiries, ruled that a witness could not refuse to answer questions on the grounds that questions related to his private affairs. Read More