They started domesticating wheat. This wasn't their main feat however since they also started herding sheep and domesticating goats. These two enabled them to stop moving around like nomads and make a real civilization in the area which resulted in what is now known as history.
B, because the others have story elements that frequently appear in historical fiction. Not to mention how the only choice that used the word “historical” is B
Usually, back then, they followed their food and tracked them without settling too long in one place. But since that's not one of the answers I would go with A.
I hope that helps.
Answer:
Accouding to a article
Economic Example of One Change Caused by the Civil War and Reconstruction Southerners needed to find an alternative to laborers. Example of One Challenge to Change Slavery was abolished so they now had to pay their workers; this caused a decrease in profit.
Explanation:
Although not many people know this, the civil rights act that they supported and fought for was actually an economic act primarily. It dealt with ending segregation in employment and disenfranchising workers and allowing African-Americans to live and work together with white people. This is why they fought for it since african-americans were forced to live in poverty and dread because of lack of economic support.