Clips of the King (George VI/ Duke of York / Prince Albert) & Queen's 1939 visit to the US, where they met President Roosevelt: this was the first-ever visit to America by a member of the United Kingdom monarchy.
For more on FDR see:
MEN OF OUR TIME - FRANKLIN D. ROOSEVELT
THE ROOSEVELT STORY (n.b. reels 1 & 2 appear to be missing)