Short answers, pulled from the story.
The United States Supreme Court ruled in 1893 that the tomato is a vegetable for tax purposes under the Tariff of 1883. This decision in the case Nix v. Hedden classified the tomato as a vegetable despite acknowledging its botanical status as a fruit. The court based this ruling on common language and culinary usage rather than scientific classification.
The transition to agriculture began around the 10th millennium BC to the 7th millennium BC. The first evidence of domestication was found in the Fertile Crescent where grasses like wheat and barley were cultivated. Various peoples around the world started growing crops during this period to develop subsistence agriculture.
Tomatoes are botanically considered fruits because they develop from the ovary of a flower. They are legally classified as vegetables based on common language and culinary usage rather than plant structure. This distinction creates a paradox where items like tomatoes, cucumbers, and squash are vegetables in common definition but botanically fruits.
Vegetables provide dietary fiber, essential vitamins, minerals, and trace elements while being mostly low in fat and calories. They supply antioxidant vitamins A, C, and E which reduce the risk of cancer, stroke, and cardiovascular disease. However, some vegetables contain toxins such as alpha-solanine, cyanide, and oxalic acid that can interfere with nutrient absorption.
China was the largest vegetable producing nation in 2010 with over half the world's production. The highest average yields were obtained in Spain and the Republic of Korea. India, the United States, Turkey, Iran, and Egypt followed China in total production volume.