Simplify the following text for a Grade 10 native English-speaking person.
Original: The governmental balance was changed after the 2003 elections , when the SVP was granted a Council seat for their leader Christoph Blocher that had formerly belonged to the CVP 's Ruth Metzler .
Simplified: After the 2003 elections , the SVP asked for a CVP Council seat for their leader Christoph Blocher and threatened to otherwise leave the government .