He trusted in the Lord - See the character of this good king:

1. He trusted in the Lord God of Israel;

2. He clave to the Lord;

3. He was steady in his religion; he departed not from following the Lord;

4. He kept God's commandments. And what were the consequences?

1. The Lord was with him;

2. He prospered whithersoever he went.

And the Lord

Genesis 21:22 And it came to pass at that time, that Abimelech and Phichol the chief captain of his host spoke to Abraham, saying...

Genesis 39:2,3 And the LORD was with Joseph, and he was a prosperous man; and he was in the house of his master the Egyptian...

1 Samuel 18:14 And David behaved himself wisely in all his ways; and the LORD was with him.

2 Chronicles 15:2 And he went out to meet Asa, and said to him, Hear you me, Asa, and all Judah and Benjamin; The LORD is with you...

Psalm 46:11 The LORD of hosts is with us; the God of Jacob is our refuge. Selah.

Psalm 60:12 Through God we shall do valiantly: for he it is that shall tread down our enemies.

Matthew 1:23 Behold, a virgin shall be with child, and shall bring forth a son, and they shall call his name Emmanuel, which being interpreted is...

Matthew 28:20 Teaching them to observe all things whatever I have commanded you: and, see, I am with you always, even to the end of the world. Amen.

Acts 7:9,10 And the patriarchs, moved with envy, sold Joseph into Egypt: but God was with him...

he prospered

Genesis 39:2 And the LORD was with Joseph, and he was a prosperous man; and he was in the house of his master the Egyptian.

1 Samuel 18:5,14 And David went out wherever Saul sent him, and behaved himself wisely: and Saul set him over the men of war...

2 Samuel 8:6,14 Then David put garrisons in Syria of Damascus: and the Syrians became servants to David, and brought gifts...

2 Chronicles 31:21 And in every work that he began in the service of the house of God, and in the law, and in the commandments, to seek his God...

2 Chronicles 32:30 This same Hezekiah also stopped the upper watercourse of Gihon, and brought it straight down to the west side of the city of David...

Psalm 1:3 And he shall be like a tree planted by the rivers of water, that brings forth his fruit in his season; his leaf also shall not wither...

Psalm 60:12 Through God we shall do valiantly: for he it is that shall tread down our enemies.

Romans 8:31 What shall we then say to these things? If God be for us, who can be against us?

rebelled

2 Kings 18:20 You say, (but they are but vain words,) I have counsel and strength for the war. Now on whom do you trust, that you rebel against me?

2 Kings 16:7 So Ahaz sent messengers to Tiglathpileser king of Assyria, saying, I am your servant and your son: come up...

The Old Testament and Archeology
A century ago the student of the world's history found it exceedingly difficult, if not impossible, to paint for himself a clear picture of events antedating B.C. 400. Concerning earlier periods, he was, aside from the Old Testament, practically without records that could claim contemporaneousness with the events recorded. But, one hundred years ago, men had commenced to test every statement, be it historical, or scientific, or theological, by severe canons of criticism, and if it could not stand …
Frederick Carl Eiselen—The Christian View of the Old Testament

Deliverance from Assyria
In a time of grave national peril, when the hosts of Assyria were invading the land of Judah and it seemed as if nothing could save Jerusalem from utter destruction, Hezekiah rallied the forces of his realm to resist with unfailing courage their heathen oppressors and to trust in the power of Jehovah to deliver. "Be strong and courageous, be not afraid nor dismayed for the king of Assyria, nor for all the multitude that is with him," Hezekiah exhorted the men of Judah; "for there be more with us …
Ellen Gould White—The Story of Prophets and Kings

Kings
The book[1] of Kings is strikingly unlike any modern historical narrative. Its comparative brevity, its curious perspective, and-with some brilliant exceptions--its relative monotony, are obvious to the most cursory perusal, and to understand these things is, in large measure, to understand the book. It covers a period of no less than four centuries. Beginning with the death of David and the accession of Solomon (1 Kings i., ii.) it traverses his reign with considerable fulness (1 Kings iii.-xi.), …
John Edgar McFadyen—Introduction to the Old Testament