I believe the answer is Gold.
Gold was a very hot commodity at that time because before we use paper/digital money like today, Gold was made as material to make a type of money with more intrinsic value.
The abundance of this natural resources led to many European empire came and started their colonization in AFrica.
Answer:
7) During 1750-1900, people from around the world challenged established government structures, and this led to a great deal of political, economic, and social change. For many of the following Revolutions, Enlightenment ideas directly influenced their advent.
8) Japan- By the early 1900's, Japan had become one of the Great Powers and won a war against the Russian as well as the Chinese, and ultimately were able to take control of Taiwan, Korea and Manchuria.
9) Portugal was never very big. Spain's decline began in the 17th century, mainly caused by them losing a struggle with France under Louis XIV. Both were weakened by sticking to a very narrow version of Roman Catholicism, and not valuing education.
10) Settler colonial states include Canada, the United States, Australia, and South Africa, and settler colonial theory has been important to understanding conflicts in places like Israel, Kenya, and Argentina, and in tracing the colonial legacies of empires that engaged in the widespread foundation of settlement colonies.
11) The Cape Colony was the only settler colony of the early modern period in which the settlers not only permanently remained in the minority, but they even became increasingly outnumbered with the expansion of the colony. Europeans were only able to settle in the malaria-free uplands of southern and eastern Africa.
I believe he was married twice
