During the age of european imperialism, what was an effect of social darwinism?
a: due to the influence and forward thinking of social darwinism, colonists voted to abolish slavery in many european nations.
b: nations competed with each other for territories and believed the nation that gained the most was superior.
c: because social darwinism stressed that all nations are equal, natural competition between nations decreased.
d: the idea of competing for cultural survival was discredited, as all races of people in different european nations came together.