yalta-conference-churchill-roosevelt-stalin January 3, 2017 • Richard McFahn • You are here: Home » Why did the Grand Alliance begin to fail in 1945? » yalta-conference-churchill-roosevelt-stalin About the author Richard McFahn Founder of History Resource Cupboard, Richard has worked for 20 years as a history teacher, subject and senior leader, Advanced Skills Teacher, local authority adviser and history ITE tutor.