Why is “inqaṭaʿa al-ṭarīq” not merely emphasis of “taʾakhkhara al-barīd”?

Supplementary Practice 8: Rhetorical Analysis of Five Connected Passages

• Because road blockage is a complete restatement of lateness
• Because the second only gives sequence, never a cause
• Because both clauses have identical subjects and predicates
• It supplies a distinct causal circumstance for the delay