Rerum Novarum, Pope Leo is often called the beginning of contemporary Catholic social teaching because it was the first encyclical to deal with the unprecedented disruptions of traditional societal order due to the industrial revolution.  For fathers, Rerum is one of the most important encyclicals of the modern era, because in it Pope Leo recogniz...

As the industrial revolution came upon the scene of what was still an infant United States, Pope Leo XIII set about to issue a defining document that would impact the “revolutionary change” that was about to invade the country. No wonder that Rerum novarum was an apt fitting title to convey his message. Pope Leo XIII wanted to establish a defin...