Four factors for improvements in transportation included:
fotons folly
tom thumo
the airplane
drake's folly
the model

How does the balance of trade look different in the us today vs hot it looked in the 70's

What issue led to the split in the democratic-republican party in the late 1850s

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.