Complex sentence: In the 1990's, Linksruck achieved considerable growth due to its work in the youth milieu of around the anti-capitalist movement, although this work was only possible after having left the Jusos with an already enlarged membership.
Split into simpler sentences: In the 1990's Linksruck achieved considerable growth due to its work in the youth milieu of around the anti-capitalist movement. Although this work was only possible after having left the Jusos with an already enlarged membership.