The Ku Klux Klan often took drastic, and violent actions towards the blacks. Making it very hard for many of them to survive in a safe manner.
That should be the scientific revolution. That's when people started abandoning the ideas that the church presented and they started focusing on science. It was then discovered that Earth is not in the center but rather goes around the Sun, and Newton made his laws and science and education flourished during that period.
One of the major things that led to the collapse of the German army/navy and their war effort was internal fighting among the Germans themselves regarding tactics.
The answers are
<u>unemployment in developed nation</u>s ---> more jobs in developing countries
<u>demands on natural resources</u> --> expansion of trade
