Some municipalities and counties believe that pit bulls represent a danger to the health, safety and welfare of its inhabitants, due to the severity of their bite. In Melvindale, Michigan approved the ordinance that prohibits this race within its jurisdiction. Other places where the ordinance exists are: Morgan City (Louisiana), Denver (Colorado), Buckley (Washington), Clayton (Missouri), among others.
This would be describing a "thesis", which basically means an argument made by a historian based on original research (primary sources) and secondary research to add to an existing body of knowledge.
