Answer:
4. D) They had expert knowledge and advanced navigational technology.
5. C) It encouraged explorers to seek a direct sea route to the pacific and the east indies.
6. C) Portugal.
7. Diplomatic.
Explanation:
4) In the ancient times, the Portuguese were great explorers as they continued to explore the coasts of Africa, Middle east and East Asia. They had advanced knowledge in navigation, cartography and maritime technology which provided them the opportunity to travel across the globe.
5) Balboa was a Great Spanish explorer. He claimed the Pacific ocean for Spain after he sighted it in 1513 during his mission in search of gold. Balboa's achievement during his time encouraged explorers to seek a direct sea route to the pacific and the east indies.
6) Several European nations have had trading empires in the Indian Ocean. The Portuguese were the first to arrive in the East Indian ocean and they tried to possess the trade rights in the region.
7) The Ming Dynasty founded by Emperor Taizu was known for spreading trade ties to the outside world. He viewed trade as a diplomatic action for China's growth and stability.
