To what extent were climate and disease key factors in producing economic and social changes?Your response should be at least 200 words in length. You are required to use at least your textbook as source material for your response. All sources used including the textbook must be referenced; paraphrased and quoted material must have accompanying citations.Levack B. Muir E. & Veldman M. (2011). The west encounters & transformations. (3rd ed. Vol. 1 pp. 330-336 344-346). Upper Saddle: Pearson. DOI: www.pearsonhighered.com(Levack Muir & Veldman 2011)No wiki dictionary.com or plagarism