Which of the following is NOT an attribute of quantitative traits? A. They are controlled by multiple genes B. They are controlled by one or a few genes C. They are influenced by the environment D. They exhibit continuous variation

tree and the cat in the tree

the development of trade during the middle age increased to the change given in the agriculture, which gave money, industry and markets a bigger importance in economy. the agriculture production was more than the consumption, which meant the creation of wider markets out of the areas. besides, with the end of multiple wars, the population increased and new trade routes were created.