Place each description in the category it best describes. better protected
Western Empire:
Eastern Empire:
more diverse
fewer resources
weaker defenses
closer to invaders
closer to trade routes

What was one of the accomplishments of the space shuttle that what was one of the accomplishments the space shuttle that facilitated communication and entertainment ?

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.

Who was the first explorer to sail all the way down the mississippi river