I want to know the answer to the following question:
What major movement occurred in Guam in the 80's and 90's?
All the background I'm provided with is that "In the 1980s and early 1990s, there was a significant movement in favor of the territory becoming a commonwealth, which would give it a level of self-government similar to Puerto Rico and the Northern Mariana Islands.". Is that enough to answer the question?
Answer: yes