Simplify the following text for a Grade 8 native English-speaking person.
Original: The Christian Democrats , in the political wilderness since the 1990 SchrÃ der victory , were returned to power in the Legislative Assembly , gaining 48.3 % of the vote .
Simplified: The Christian Democrats , in the political wilderness since 1990 , were returned to power in the Legislative Assembly , gaining 48.3 % of the vote .