101 Things that Open and Close the City. 50 leading experts provide tools for analyzing how the Open City is made and unmade.more Who gets to be where? The Arsenal of Exclusion & Inclusion examines some of the policies, practices, and physical artifacts that have been used by planners, policymakers, developers, real estate brokers, community activists, and other urban actors in the United States to draw, erase, or redraw the lines that divide. The Arsenal inventories these weapons of exclusion and inclusion, describes how they have been used, and speculates about how they might be deployed (or retired) for the sake of more open cities in which more people have access to more places. With contributions from over fifty architects, planners, geographers, historians, and journalists, The Arsenal offers a wide-ranging view of the forces that shape our cities.