Acts 12:20
And Herod was highly displeased with them of Tyre and Sidon: but they came with one accord to him, and, having made Blastus the king’s chamberlain their friend, desired peace; because their country was nourished by the king’s country.
Cross-reference
1 Kings 5:9-11 shows Tyre depending on Solomon's food — the same historical dependency pattern as here.
2 Chronicles 2:10 records Solomon providing grain to Tyre — another instance of Tyre's reliance on Israel's food.
2 Chronicles 2:15 repeats the food trade agreement with Tyre — reinforcing the historical dependency.
Ezra 3:7 mentions Tyrians and Sidonians receiving food from Israel — a later instance of the same dependency.
Ezekiel 27:17 lists Israel trading wheat for Tyre's goods — showing the longstanding food relationship.
Luke 14:32 describes sending a delegation to ask for peace — exactly what Tyre/Sidon did here. Strong parallel of action.
Proverbs 16:14 teaches that a king's wrath is deadly – directly explains why Tyre and Sidon sought to appease Herod.
Galatians 1:10 contrasts seeking human approval with serving Christ – opposite of Tyre and Sidon's appeasement of Herod.