The economy you described in your question is called a market economy. It has free markets and the production of goods and services are determined by the consumers.
Many of the Catholic priest were killed. So I’d say yes Catholic people were killed in the Holocaust.
A democracy and a monarchy are very different in terms of the rights and responsibilities of citizens, since in a democracy the citizens have the right to overthrow or remove their elected officials, where as in a monarchy they have no choice over who rules them. Citizens therefore have less political responsibility in a monarchy, however.
It helps them know when something happened and if one event lead to the cause of another <span />