Who is Galina Petrovna Argounova from We the Living and what is their importance?

Galina is Kira's mother. She is a bit alarmed by her daughter's hestation to marry, as well as her desire to become an engineer, an occupation Galina sees as manly. Galina is also the first member of Kira's family to embrace communism. She becomes a teacher, pays a huge amount of money for dues, and is forced to take on extra work in order to care for her family.