Final answer:
The Dinka brothers and others like them were called the Lost Boys of Sudan because they were young boys who were separated from their families and displaced during the Second Sudanese Civil War.
Step-by-step explanation:
The Dinka brothers and others like them were called the Lost Boys of Sudan because they were young boys who were separated from their families and displaced during the Second Sudanese Civil War. Many of them had to flee their villages due to violence and ended up walking for hundreds of miles to escape the conflict. They became known as the Lost Boys because they were orphaned and had no homes or families to return to.