It might be industrial production or anything around that Line.... production rose greatly which caused a new middle class !
Answer:
Wealth and competition.
Explanation:
European nations colonized and expanded to control vast areas with large numbers of resources, this gave them wealth, income, and more trading opportunities. Another reason European nations expanded their Empire was to compete with other large national superpowers.
One way that the genus Australopithecus differed from apes is that they had a less slanted forehead. This was primarily seen in the africanus species of Australopithecus. Australopithecus evolved more than 4 million years ago and shares a common ancestor with humans and chimpanzees.
Because it was fought with Soldiers and Indians on Colonial lands.