Someone plz help me :(

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.

How did the united states ironically create a slaverybased market economy and democratic political system?

Which of the following cultures were among the earliest known inhabitants of north america? a) mayab) incac) anasazi d) olmec