Why was ghana the greatest trade empire

Ghana Empire benefited immensely from the trans-Saharan trade. They mainly traded in salt and gold and salt was very valuable in the past. The trade sparked new settlements along its paths and this meant that the empire grew. While new settlements were being made this enabled their trade influence to grow even more.

if you're talking about (ww2) they went bankrupt and their currency was worth nothing

explanation:

hi the answer to your question is

to control offices

this sparked alotof controversy more over ending the articles of federation