Q: Context: The Congress of Vienna redrew the borders of Europe, and brought a lasting peace to the continent. The wars had profound consequences on global history; it fostered the spread of nationalism and liberalism, saw the rise of the British Empire as the world's foremost power, independence movements in Latin America and the subsequent collapse of the Spanish Empire, the fundamental reorganisation of German and Italian territories into larger states, and the establishment of radically new methods of conducting warfare.

Question: which nation emerged as the strongest country in the world as a result of the napoleonic wars? Let's give stream of consciousness first:
To answer this question, we should know that: The wars had profound consequences on global history; it fostered the spread of nationalism and liberalism, saw the rise of the British Empire as the world's foremost power, independence movements in Latin America and the subsequent collapse of the Spanish Empire, the fundamental reorganisation of German and Italian territories into larger states, and the establishment of radically new methods of conducting warfare. Therefore, the final answer is the British Empire.