Complex sentence: Erica's confusion is paralleled by the situation of her friend Danielle Zimmern--recently divorced from Leonard Zimmern--who has been trying to cope with her own life by getting involved with Women's Liberation.
Split into simpler sentences: Erica's confusion is paralleled by the situation of her friend Danielle Zimmern--recently divorced from her husband Leonard. Danielle has been trying to cope with her own life by getting involved with Women's Liberation.