As for all the people who remained of the Hittites, Amorites, Perizzites, Hivites, and Jebusites (these people were not Israelites)—
This we had Kg1 9:10-24, and therefore shall only observe here, I. Though Solomon was a man of great learning and knowledge, yet he spent his days, not in contemplation, but in action, not in his study, but in his country, in building cities and fortifying them, in a time of peace preparing for a time of war, which is as much a man's business...
Commenting on 2 Chronicles 8:1-11
THE CANAANITES MADE TRIBUTARIES. (Ch2 8:7-11) all the people that were left, &c.--The descendants of the Canaanites who remained in the country were treated as war prisoners, being obliged to "pay tribute or to serve as galley slaves" (Ch2 2:18), while the Israelites were employed in no works but such as were of an honorable character.
2Ch 8:7-8 On the arrangement of the statute labour, see on 1Ki 9:20-23. - This note is in Chr. abruptly introduced immediately after the preceding. 2Ch 8:7 is an absolute clause: “as regards the whole people, those.” מן־בּניהם (2Ch 8:8) is not partitive: some of their sons; but is only placed before the אשׁר: those of their sons (i.e., of the descendants of the whole...
Commenting on 2 Chronicles 8:7-8