Answer:
Its the third one, traded gold for salt
Explanation:
The kingdom of Ghana did not have gold mines or salt mines, but Ghana got rich handling the trade of gold for salt.
Answer:
they called it off in 1961
Government positions under Hongwu were filled by civil service exams.
It was a trigger that showed that there were two competing powers in Europe: Russia and Austria-Hungary (and their allies).
Franz Ferdinand was killed by a Serbian separatist and the Austrians wanted him to be punished. On the other hand, Russia supported Serbia is saying that Austrian demands ( to be allowed to search for the culprit inside Serbia) were too much.
This lead to a direct conflict between the two powers (Austria and Russia) and further lead to the war.
