What happened when the oceans became highways?

check all that apply.

shipping technologies advanced immediately.

the price of sugarcane skyrocketed.

immigration increased.

cultures were more readily shared.

answer; i believe that the correct answer is (scientific approach)

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.