The little mermaid my favorite disney movie, was made  in 1989
I love that movie! I prefer Lion King, which came out in 1994. 
It was the 28th animated movie and made 211 million  so far in  total gross
Correct. I think the older era movies were higher quality than the ones now, in general. 
it started the era called disney  renaissance
The Disney Renaissance took place from roughly 1989 to 1999. Nine of the ten films were nominated for Academy Awards. 
yes that is true, it was made by ron clements and john musker 
During this time, Beauty and the Beast became the first animated film to be nominated for the Academy Award for Best Picture.