What was an effect of the helsinki accords

What happened to the american economy after world war i?

List of social classes of the shang dynasty in order ?

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.