Germany, Austria-Hungary, and Italy
The Untied States invested in science education and created NASA
The correct answer is C. Byzantine
The Byzantine Empire, known also as the Eastern Roman Empire, had control over a large portion of the former Roman Emperor, Including Constantinople, later known as Tsarigrad, nowadays known as Istanbul.
European countries declared war on France. After the revolution, there were many people around Europe who wanted to take these ideals and have revolutions worldwide. Many wars were led especially in Austria by Monarchs who fought against revolutions.