Original sentence: In the northern-most part of ancient Greece, in the ancient kingdom of Macedonia, technological and organizational skill was forged with a long history of cavalry warfare.The Phoenicians spread through the western Mediterranean and reaching North Africa and the Iberian Peninsula
Edited sentence: In the northern-most part of ancient Greece, in the ancient kingdom of Macedonia, technological and organizational skills were forged with a long history of cavalry warfare.The Phoenicians spread through the western Mediterranean reaching North Africa and the Iberian Peninsula.The hetairoi (Companion cavalry) was considered the strongest of their time