Answer:
19th Century is the collapse of the Spanish Empire.
Explanation:
In 19th Century Spain is lost its territories in the Caribbean, Central, and South America, Spain lost too much of its territory that it causes problem to the Empire, they are not a superpower anymore, especially when they lost the Philippines in Philippine Revolution of 1898 from Filipino revolutionary, and when they lost Cuba from the War with the United States which is called the Spanish-American War.
