What did king David do that was good?

- United the tribes of Israel into a single kingdom. Before David's reign, the Israelites were divided into 12 separate tribes, often at war with each other. David conquered the neighboring kingdoms of Moab, Ammon, Edom, and Aram, and brought them under Israelite control. He also established Jerusalem as the capital of Israel and built the First Temple.

- Defeated the Philistines, Israel's most formidable enemy. The Philistines had been a thorn in the side of the Israelites for centuries. David defeated them in a series of battles, finally driving them out of Canaan.

- Established a just and prosperous kingdom. David was a wise and just ruler who cared for his people. He established a system of laws that protected the poor and vulnerable, and he promoted economic prosperity by encouraging trade and commerce.

- Wrote many of the Psalms. The Psalms are a collection of 150 songs or poems that are traditionally attributed to David. The Psalms are a source of inspiration and comfort to people around the world.

- Anointed Solomon as his successor. David's son Solomon became one of the wisest and most prosperous kings in history. David's decision to anoint Solomon as his successor ensured the stability of the kingdom and paved the way for a golden age in Israel's history.

Overall, David was a great king who made many significant contributions to Israel. He was a warrior, a statesman, a poet, and a prophet. He was a man of great faith who loved God and served him with all his heart.