Complex sentence: Wehner rose quickly and was elected to the "Landtag" state legislature of Saxony in 1930, nevertheless he resigned one year later to work at the KPD politburo in Berlin with Walter Ulbricht.
Split into simpler sentences: Wehner rose quickly and was elected to the "Landtag" state legislature of Saxony in 1930. Nevertheless, he resigned one year later to work at the KPD politburo in Berlin with Walter Ulbricht.