Where did koguryo, silla, and paekche kingdom emerge? ?

Which native american tribe allied with the spanish?

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.

I'm at least 150 words, evaluate the pros and cons of the internet and social media for those serving in government