Vasco De Gama used his knowledge of blank to keep him and his crew from getting lost on their journey to India that created a spice trade route. A. Cartography B. Astronomy C. launguages D. Ships Please I need it answered today please and God bless y'all

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