Complex sentence: The Manifesto of Rauma was written and ratified in 1980 at the 36th International Youth Congress, which criticized the goals of the traditional Esperanto movement and defined the Esperanto community as "a stateless diaspora linguistic minority" based on freedom of association.
Split into simpler sentences: The Manifesto of Rauma was written and ratified in 1980 at the 36th International Youth Congress. In the Manifesto, the traditional goals of Esperanto movement are criticized and the Esperanto community is defined as "a stateless diaspora linguistic minority" based on freedom of association.