drshebloggo:

Because of Amelia, Helena went to the church and Sarah to the state; because of Amelia, Rachel went to the corporation.  All three were assimilated not into families like Alison or Cosima but into groups, into systems, and the relationship between individual and system is one that Orphan Black loves to explore.  Because of this choice, OB is mobilizing Sarah, Helena, and Rachel into the three most important clone pillars this season, as the mystery unravels.  They are thematically representative, narratively connected, and poised for conflict.  More so than the others, they act not only of their individual will but also as a result of their contextual upbringing. - Orphan Black 2.04, “Governed As It Were By Chance”