What made Singapore into such a valuable trading port city?

answer:The Port of Singapore refers to the collective facilities and terminals that conduct maritime trade

Explanation: The Port of Singapore is not a mere economic boon, but an economic necessity because Singapore is lacking in land and natural resources. The Port is critical for importing natural resources, and then later re-exporting products after they have been refined and shaped in some manner, for example wafer fabrication or oil refining to generate revenue.

after the roman empire, the catholic church began to unify by taking on many duties of a government.