In 1812 napoleon was involved in the battle of waterloo. he had succeeded in gaining control over which states?

Napoleon Bonaparte had conquered much of Europe until the Battle of Waterloo that was his final defeat. Until that moment, Bonaparte had conquered Egypt, Belgium, Holland, parts of Italy, Austria, Germany, Poland, and Spain.

The Battle of Waterloo was the final defeat of Napoleon and it took place in Belgium. The French army was defeated by the British and Prussian army and it ended the period known as the Napoleonic Wars.

yes, there are senators in each state

yes.

explanation:

because it let the japanese know who had the upper hand in the war.