Vasco Nunez de Balboa crossed the Atlantic Ocean to the pacific ocean using a land route that he was the first European to find. Why was his discovery of the isthmus of Panama so important?

What was zheng he’s most important accomplishment? zheng he spread chinese ideas and brought wealth to china from his travels. zheng he commanded an impressive fleet of ships. zheng he sailed the indian ocean and around africa. zheng he conquered lands as far away as africa to increase the dynasty’s power.