The corresponding letter to this chapter is Chet – new beginning; new life; a metaphysical letter above this existence.
David new rule begins and the L-rd G-d blesses him and he becomes great in the land.
Sh’mu’el Bet 8:1-2 Now after this it came about that David defeated the P’lishtim and subdued them; and David took control of the chief city from the hand of the P’lishtim. And he defeated Mo’av, and measured them with the line, making them lie down on the ground; and he measured two lines to put to death and one full line to keep alive. And the Mo’avites became servants to David, bringing tribute.
The P’lishtim had the land near the coast of the Mediterranean Sea. Moav is what is now part of Jordan. It was a custom at that time to divide the defeated army in to two groups and execute one group and leave the others alive.
Sh’mu’el Bet 8:3-4 Then David defeated Hadad’ezer, the son of Rechov king of Tzovah, as he went to restore his rule at the River. And David captured from him 1,700 horsemen and 20,000 foot soldiers; and David hamstrung the chariot horses, but reserved enough of them for 100 chariots.
Hamstrung – this would make the horses useless for battle.
Sh’mu’el Bet 8:5-7 And when the Arameans of Dammesek came to help Hadadezer, king of Tzovah, David killed 22,000 Arameans. Then David put garrisons among the Arameans of Dammesek, and the Arameans became servants to David, bringing tribute. And the L-RD helped David wherever he went. And David took the shields of gold which were carried by the servants of Hadadezer, and brought them to Yerushalayim.
This includes the Syrians.
Sh’mu’el Bet 8:8-14 And from Betach and from Berotai, cities of Hadad’ezer, King David took a very large amount of bronze. Now when Toi king of Hamat heard that David had defeated all the army of Hadad’ezer, Toi sent Yoram his son to King David to greet him and bless him, because he had fought against Hadadezer and defeated him; for Hadadezer had been at war with Toi. And Yoram brought with him articles of silver, of gold and of bronze. King David also dedicated these to the L-RD, with the silver and gold that he had dedicated from all the nations which he had subdued: from Aram and Mo’av and the sons of A’mon and the P’lishtim and Amalek, and from the spoil of Hadadezer, son of Rechov, king of Tzovah. So David made a name for himself when he returned from killing 18,000 Arameans in the Valley of Salt. And he put garrisons in Edom. In all Edom he put garrisons, and all the Edomites became servants to David. And the L-RD helped David wherever he went.
Edom, was located in southern Jordan.
Someday Israel will once again be restored to the same boarders as in David’ day. This may not happen until the Mashiach comes. As we can see from the description given here it would include Syria, part of Lebanon, and Jordan.
Became servants - I guess slaves would not be politically correct today.
Sh’mu’el Bet 8:15-18 So David reigned over all Israel; and David administered justice and righteousness for all his people. And Joav the son of Tz’ruyah was over the army, and Y’hoshafat the son of Achilud was recorder. And Tzadok the son of Achituv and Achimelekh the son of Evyatar were priests, and S’rayah was secretary. And B’nayahu the son of Y’hoyada was over the K’reti and the P’leti; and David's sons were chief ministers.
This is a short list of David’s cabinet of advisors.
The son of David, the Mashiach, will rule from His throne in Yerushalayim over the whole world.