The surrender of the Japanese Empire, as well as the worlds first look at nuclear warfare
The main way in which the Ottoman Empire’s location contributed to its power was that it was in a prime position for trade with other nations, due to its location on the Mediterranean Sea. Its location between Europe and Asia allowed it to control trade between the continents.
Mansa Musa was able to bring Islamic culture to Mali by bringing Arab scholars and architects to Mali. Mansa Musa is known as the greatest ruler of his time. He was able to increase the Islamic culture in Africa. He was also called the country's architect. I hope this could help you :)