Answer:
It pointed to a hominids ability to walk upright.D
Explanation:
Donald C. Johanson is a known Paleoanthropologist that made remarkable discoveries that shook up our family tree. In 1974, he discovered a skeleton of a woman in Ethiopia and it was said that the skeleton has been around as fossil since 3.2 million years.
The female remains was later named Lucy and she showed us that upright walking and bipedalism gave way to all other changes we consider to be human, which also includes tool-making.
Imperialism was basically the tension over colonies. This was a widely recognized reason for starting off WWI. Colonies were places that were taken in to control by other ruling countries. This made countries more powerful and <span>dominant, so this is linked to alliances that were made back then.</span>
The answer is a good government run by the people.
The correct answer is D, domestication of animals. All other alternatives refer to events that only happened later.
In order to affirm an Agricultural Revolution ocurred, historians have to choose the most important changes and events that determine that from that moment onwards life was different.
The most important thing that supports the idea of an Agricultural Revolution is that humans started to domesticate plants and animals, which made possible for them to settle and stop being nomads.
This lead to the birth of cities and to radically change how those people lived.