The lesson of the yokes

Jer 27:1: In the beginning of the reign of Jehoiakim the son of Josiah king of Judah came this word unto Jeremiah from the LORD, saying,
Jer 27:2: Thus saith the LORD to me; Make thee bonds and yokes, and put them upon thy neck,
Jer 27:3: And send them to the king of Edom, and to the king of Moab, and to the king of the Ammonites, and to the king of Tyrus, and to the king of Zidon, by the hand of the messengers which come to Jerusalem unto Zedekiah king of Judah;
Jer 27:4: And command them to say unto their masters, Thus saith the LORD of hosts, the God of Israel; Thus shall ye say unto your masters;
Jer 27:5: I have made the earth, the man and the beast that are upon the ground, by my great power and by my outstretched arm, and have given it unto whom it seemed meet unto me.
Jer 27:6: And now have I given all these lands unto the hand of Nebuchadnezzar the king of Babylon, my servant; and the beasts of the field have I given him also to serve him.
Jer 27:7: And all nations shall serve him, and his son, and his son's son, until the very time of his land come: and then many nations and great kings shall serve themselves of him.