"Oh, yes they do," declared Frank.
"They do, eh?" exclaimed Jack. "Well, I'd like to know the name of one of them."
"His name," said Frank, "is Lieutenant Chadwick, and I think he knows just about as much about the U-Boats as you do; and he agrees with your ideas perfectly."
Jack smiled.
"That's right," he said. "I had forgotten you were a native of this land. Well, here's hoping nothing happens before Secretary Daniels takes all necessary precautions."
The British ambassador left the lads at their hotel, and they returned at once to their rooms, where for several hours they discussed the situation.
"There is no use talking about it," said Frank at last. "Let's go to bed."
They undressed.
Just before extinguishing the light, as was his custom, Frank raised the window. As he looked out he saw below a crowd of excited men and women moving about the street.
"Hey, Jack!" he called. "Come here."