Final answer:
Chaebols are the very large, family-help Korean conglomerates that wield considerable political and economic power. They have played a significant role in promoting South Korea as a leading shipbuilding nation.
Step-by-step explanation:
The very large, family-help Korean conglomerates that have considerable political and economic power are called chaebols. These conglomerates, such as Daewoo, Samsung, Kia Motors, Hyundai, and the Orion Group, have played a significant role in promoting South Korea as a leading shipbuilding nation. They continue to reform their economic system to adapt to global economic conditions.