Which hypothesis regarding the evolution of hominin bipedalism suggests that this energy-efficient trait arose so that hominins could search for food that was dispersed after climatic changes at the end of the miocene?

What factor contributed most to the beginning of the women’s rights movement in the united states during the mid 1800s? a dramatic increase in women’s participation in the workforce b a shift in social attitudes brought on by increased sectional tensions c the experience of gender discrimination within reform movements d the granting of voting rights to african american men