A great deal of the <span>changes and conflicts that took place in Great Britain, France, The Austrian Empire, and Russia during the nineteenth century had to do with the Industrial Revolution, since this led to new weapons and machinery that greatly and quickly modernized warfare in Europe. </span>
Confucianism used the Chinese silk trade to spread and Buddhism used the Indian spice trade to spread, include things such as the silk road in your written answer.
I think the main issue was not to approve <span>Emancipation Proclamation, which made all the slaves in the south were free. I'm not sure about this answer </span>