Which of the following best describes the "cause for which they gave the last full measure of devotion"?
A) Economic independence
B) Preservation of the Union
C) Strength of the military
D) Political revolution

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.