<span>Progressive Era reformers at the turn of the century successfully compelled local governments to introduce 'civil service systems' to replace political machine.</span>
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.
Salt for gold
(hope that helps)
The government outlawed slavery in 1981 and made it a crime in 2007. Estimates of the percentage of slaves vary from 10% to 20% of Mauritanian population.