Final answer:
David was a regional leader who became the king of Israel. Although he founded the capital at Jerusalem and created a professional army, the kingdom itself was not particularly large or powerful.
Step-by-step explanation:
In the context of the given information, David was a regional leader who became the king of Israel after Saul. He founded the capital at Jerusalem, created a professional army, and established a bureaucracy. However, the kingdom itself was not particularly large or powerful compared to its powerful neighbors. Therefore, David's role as a petty warlord rolling over a chiefed him and his royal capital Jerusalem can be seen as an indication of his limited influence and power.