dorothea dedicated herself to the reconstruction of the renaissance castle at schwedt, which had been devastated in the thirty years' war, as well as to the economic development of the town and its surroundings. dutch experts and french huguenots were invited to cultivate tobacco in the spring of 1686. by the end of the 18th century, the uckermark, with an area of 44 km², was the largest coherent tobacco-producing region in the holy roman empire. its three cigar factories were the most important economic driving forces in the region.