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.
I think its trains but it also might be cars. I dont imagine there would be cars in rural areas. So probably Trains. If I’m wrong, please correct.
It gave other races the knowledge to know what is right and what is wrong. It was a defining moment in interracial empowerment. It gave the minorities a chance to fight for their freedom.
It requires that 50 percent of a states white male take a loyalty oath to be readmitted to the union.