He advised that more armaments be sent to Canada and more troops be sent to Ireland. During these last few weeks of his life, Palmerston pondered on developments in foreign affairs. He began thinking of a new friendship with France as "a sort of preliminary defensive alliance" against the United States and looked forward to Prussia becoming more powerful as this would balance against the growing threat from Russia. In a letter to Russell he warned that Russia "will in due time become a power almost as great as the old Roman Empire ... Germany ought to be strong in order to resist Russian aggression."