Complex sentence: The CUP's intentions were to copy the Japanese example, and modernize the Ottoman Empire to end its status as the perpetual "sick man of Europe", and to return the Ottoman Empire to its former status as one of the world's great powers.
Split into simpler sentences: The CUP's intentions were to copy the Japanese example, and modernize the Ottoman Empire to end its status as the perpetual "sick man of Europe". The ultimate aim of the CUP was to return the Ottoman Empire to its former status as one of the world's great powers.