Why do we have different political parties?

Ineed to do my math homework and i am dumb so i need a smart person to me do math so just say sum if u good at math and i will give u my phone number to me with math

Briefs filed by groups that care about how a case turns out?

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.