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.
The whom did the nobles give some of their lands?
To Vassals
<span>WILLIAM AND MARY (AND THEIR GLORIOUS REVOLUTION) they became the first monarchs to accept the limitations that parliament put upon them in a document that they wrote - their Bill of Rights</span>
The organization was League of Nations
