Wisdom and Knowledge: Solomon is renowned for his wisdom, a quality that he asked God for when given the opportunity to request anything. His wisdom allowed him to make wise and just decisions, which likely contributed to the stability and prosperity of his kingdom.

Trade and Commerce: Solomon engaged in trade and commerce, establishing alliances and partnerships with neighboring nations. The Bible mentions his collaboration with the king of Tyre, Hiram, in trading goods, including cedar wood and gold. This trade contributed to the wealth of Solomon's kingdom.

Taxation and Tribute: Like many ancient kingdoms, Solomon imposed taxes and received tribute from his subjects and vassal states. This taxation system provided a steady stream of revenue that contributed to the king's wealth.

Building Projects: Solomon is famous for building the First Temple in Jerusalem, also known as Solomon's Temple. This monumental construction project required significant resources and skilled labor, contributing to economic activity and the accumulation of wealth.

Natural Resources: The kingdom of Israel under Solomon's rule was geographically situated in a region rich in natural resources, including gold, silver, and precious stones. The exploitation of these resources would have contributed to the kingdom's wealth.

Alliances and Diplomacy: Solomon's ability to form alliances and engage in diplomatic relations with other nations contributed to the stability of his kingdom. Alliances often involved economic cooperation, trade agreements, and mutual support, which could enhance the overall wealth of the kingdom.