 Along with revitalization came many changes, including the closing of the Great Western sugar factory in 1955, and a new city charter, adopting a council-manager form of government in 1954.Similarly, Colorado State University's enrollment doubled during the 1960s, making it the city's primary economic force by the end of the century.Fort Collins gained a reputation as a very conservative city in the twentieth century, with a prohibition of alcoholic beverages, a contentious political issue in the town's early decades, being retained from the late 1890s until student activism helped bring it to an end in 1969.