generate questions: The National Archives Building in downtown Washington holds record collections such as all existing federal census records, ships' passenger lists, military unit records from the American Revolution to the Philippine–American War, records of the Confederate government, the Freedmen's Bureau records, and pension and land records.
Where is the National Archives Building located? {sep_token} What proportion of the federal census records in existence does the National Archives Building house? {sep_token} What's the latest war The National Archives Building has military unit records for? {sep_token} What's the earliest war The National Archives Building has military unit records for {sep_token}