I always thought it was referencing beauty and the beast. Cause the same things happen in beauty and the beast. In Aladdin it's not a spell. It's just a genie with magic. In beauty and the beast it's actually a spell on the castle.
My logic: Disney translated all of it. Because they wanted us to understand the movie. Also, Wall-e was left behind by the humans, he isn't from the future.<< But he IS in the future. The future from now to there.
While I love the "sisters before misters" theme, Frozen is CERTAINLY not the first Disney film with women who can hold their own. But let's just say Frozen is the one that unite the morals of all "I don't need a man and sisters first" movies