The philosophical term “a priory” was popularized by
Immanuel Kant and it concerns epistemology, philosophy dealing with the theory
of knowledge. A priory actually refers to something that can be deduced by
reason alone, while the "a posteriori" is something that cannot be known by reason
alone like empirical facts.
True, because people tend to hang on the careers more than jobs. For example, if I were to work as a doctor, I might switch to being a pediatrician or a nurse. My career would still be health.
They had a polytheistic religion meaning they worshipped more than one deity. Hundreds of gods would watch over workers who each worked for a specific deity.
Congress can come up with laws, and send them to the president for approval. If it is vetoed, there are ways that Congress can override that. That is how they share responsibilities, I hope this helps.