When Jehoshaphat's father had first become king of Judah, he was faithful to the LORD and refused to worship the god Baal as the kings of Israel did. Jehoshaphat followed his father's example and obeyed and worshipped the LORD. And so the LORD blessed Jehoshaphat
But not everything about you is bad. You destroyed the sacred poles used in worshipping the goddess Asherah—that shows you have tried to obey the LORD.
Zechariah was Uzziah's adviser and taught him to obey God. And so, as long as Zechariah was alive, Uzziah was faithful to God, and God made him successful.
During his rule he attacked and defeated the Ammonites. Then every year for the next three years, he forced them to pay three thousand four hundred kilogrammes of silver, one thousand tonnes of wheat, and one thousand tonnes of barley.