Answer:
A. The civilization must make extraordinary achievements in areas such as art and science.
Explanation: Hope this works! :) If not, I am sorry. :( If it does, Your Welcome! :)
The Berlin Conference<span> of 1884–85, also known as the Congo </span>Conference<span> or West Africa </span>Conference<span>, regulated European colonization and trade in Africa during the New Imperialism period, and coincided with Germany's sudden emergence as an imperial power</span>
Hm...
1) we would have to compete with them for food
2) we'd have to run like h if we saw a predator
3) we'd have much more different cities
4) some inventions might not have been invented
5) some modern species would be extinct, or not exist
A historian using the historical thinking skill of examining historiography might try to determine how much has already been written about a certain subject before embarking on his or her own project, since this historiography of a topic can help you understand the evolution of "thinking about" the issue.
#1: Houston
#2: San Antonio
#3: Dallas
