Plz ans these questions

There are no written records of the first migration of humans to the americas? true or false

Popular sovereignty is the principle that governmental authority is derived from the people. under this principle, government governs with the consent of the governed. explain this concept in your own words. is this principle important to you? why or why not?

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.