The very idea of Theodore Roosevelt on a river that was as remote and unknown as the one that had killed Pires and his men was enough to make Foreign Minister Müller quickly regret his impulsive suggestion that Roosevelt change his trip. “Now, we will be delighted to have you do it, but of course, you must understand we cannot tell you anything of what will happen,” Müller hastened to warn Roosevelt. “And there may be some surprises not necessarily pleasant.”

