Who was zheng he and why is he a significant historical figure

The tomb of qin shihuangdi could be compared to what? a pharaohs tomb a christian coffin tomb of the unknown soldier a labyrinth

Without george washingtons invention, what aspect of life most likely would be impacted

Which answer best describes an advantage of shipping goods by canal? a) most towns would rather have canals then noisy railroads b) goods could travel very fast downstream in the canal system c) traveling by boat is a much more relaxing way to transport goods. d) heavy loads of goods could travel by boat more easily then if pulled by horses.