He created the first christian church,it became the state church of the Roman Empire.
It revolutionized the maritime industry by allowing faster travel that could now be controlled without being reliant on wind currents. Along with it being faster, you could now transport goods on larger ships through smaller bodies of water like rivers.
Generally speaking a mixed economy is "<span>B-a combination of individual choice and government protection," although the balance is often more tilted towards individual choice. </span>