With the collapse of the Soviet Union, ethnic and territorial conflict erupted. (faith.org.uk)
Water scarcity, in particular, has been a source of territorial conflict when traditional systems of land management fail in the face of rising populations and temperatures and declining rainfall. (scientificamerican.com)
Successive territorial conflicts and hostile occupations, the Black Death and the rise of fascism during the Second World War defined some of Verona's darkest hours. (raildiscoveries.com)