How do people know which direction to read hieroglyphs?

Hieroglyphs can actually be read in almost any direction: left to right, right to left, and top to bottom. To determine how to read a specific set of glyphs, start by locating a glyph with a head. If the head is facing to the left, start reading from the left and work you way towards the head.

Explanation:

it teaches readers about an interesting chinese custom and causes them to determine that the minister is trying to be polite

answer; specific deterrence;