What was Harriet Tubmans greatest aceivemant

 Civil War spy

Explanation:

Harriet Tubman's most important achievement was being a Civil War spy. Harriet Tubman helped many people as a spy, without her work helping slaves, it would have been very hard

a.indigo and cochineal

b.animal hides

c.silver and gold

e.cacao beans and sugarcane

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.