What did the slave ships transport in the last leg of the triangular trade path?

Sparta faces threats from without and within the city-state who posed these threats.

Which of the following led to a continuation of the treatment in the excerpt above? a)the brutality of the trans-atlantic african slave trade. b)spanish repression after violent native uprisings in new spain during the 16th century. c)european competition to quickly establish colonial holdings in the new world. d)the reliance of the spanish on native americans to provide labor under the encomienda system.

How did testimony such as this from the triangle shirtwaist factory disaster affect the workplace?