These were the nations the Lord permitted to remain so he could use them to test Israel – he wanted to test all those who had not experienced battle against the Canaanites. ¹ 

They were left to test Israel, so the Lord would know if his people would obey the commands he gave their ancestors through Moses. ¹ 

When the queen of Sheba heard about Solomon, ¹  she came to challenge ²  him ³  with difficult questions. ⁴  She arrived in Jerusalem ⁵  with a great display of pomp, ⁶  bringing with her camels carrying spices, ⁷  a very large quantity of gold, and precious gems. She visited Solomon and discussed with him everything that was on her mind.