Ghana used its large army for gaining the obedience of Ghana's neighbors
Generally speaking, the Industrial Revolution inspired a "heightened" interest in Africa by European nations, since they looked to Africa to acquire most of their natural resources.
The gold rush brought many changes to California like: commercial boom, population increase, immigration into the union, new machinery, and transportation and agriculture.
Three events that happened in Europe and Asia during the Middle Ages and had a big effect and contributed to changes were:
- The rise of Islam;
It changed the religion of the people in a very big area in very short space of time, changed the demographics of certain regions, and also contributed to bigger unification among the European countries in order to stop their progress and preserve Christianity.
- The plague (black death);
It influenced the demographics of the places were it came in a terrible way, millions of people died, and it was a huge blow for lot of countries on economic and military level.
- the Ottoman Empire;
It cut off the free trade between Europe and Asia with having portions of the Silk Road on its territory, and also making the eastern part of the Mediterranean very unsafe for sea travel and trade. That triggered the explorations of the Europeans, and the discovery of new trade routes, and new lands.
The Renaissance encouraged people to achieve and aim higher.