They were getting worse and worse through the 1930's.
The industrial revolution did.
In the beginning, the only perceived difference was that they were not Christians so they wanted to baptize them. After the industrial revolution, the European countries developed rapidly while African and Asian countries didn't and Europeans believed that this was due to their superior race so they decided to colonize them under the pretense that they would help them develop.
<span>The mountains and deserts in western and southwestern China slowed the exchange of ideas</span>
Gunpowder played a very beneficial role for the Europeans and a very detrimental role for the natives when it came to conquest, since almost all the natives in the newly-discovered lands could only fight back with man-made weapons such as spears. <span />
