Why was trade taxed in the Ghana Empire?

O to reduce the amount of imported goods purchased O to limit the number of outsiders trading in Ghana O to provide support for the government of the empire O to increase the profits made by local merchants​

to provide support

Explanation:

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

john smith was the first englishman to sail around the world. francis bacon served as attorney general and lord chancellor of england. he took up aristotelian ideas, arguing for an empirical, inductive approach, known as the scientific method, which is the foundation of modern scientific inquiry.