1 "At last in Latium he did arrive,
Latium > (A country in Italy, originally between the Rivers Tiber and Numicus. Its people were among the most ancient inhabitants of Italy, and are sometimes called "Aborigines". Their town of Alba Longa boasted a Trojan origin, though the story of Trojan settlement in Italy is probably no more credible than that of Trojan settlement in Britain)
2 Where he with cruel war was entertained
entertained > received
3 Of the inland folk, who sought him back to drive,
Of > By
4 Till he with old Latinus was constrained
Latinus > (King of Latium, son of Faunus and the nymph Marica)
5 To contract wedlock (so the fates ordained).
wedlock > (With Lavinia, daughter of Latinus, promised to Turnus, king of the Rutulians)