In Idea for a universal history in cosmopolitan intention (1784). Kant presents the concept of an intention of nature that gives meaning and purpose to the history of humanity. The concept of this intention is a regulative idea of theoretical reason. and is then grounded by the doctrine of these ideas presented by Kant in his Critique of Pure Reason. https://www.marcelovicente.com/product-category/salt-free-shampoo/