Perceived Threats to Family Increases Women’s Willingness to Sacrifice During War
Researchers at the Universities of Turku and Helsinki found that women were more likely to volunteer for all-female paramilitary organizations if they had brothers or husbands who were currently serving in the military. This result suggests that bonding with larger and frequently imagined communities, such as the nation state or religious groups, can arise from psychology mechanisms designed by evolution to increase cooperation among close relatives.