The Importance of Syncretism

The 10 commandments are worship me alone, have no other gods before you. So however Solomon is spending time with these wives and concubines, he's not producing a great deal of kids for don't actually know why. He says it leads into his next point which is syncretism - when you bring Yahwehism or worship Yahweh and you try to bring other gods into it. This is expressly forbidden in scripture.