What first replaced canal transportation for an easier route to the west? - the steamboat - the railroad - the wagon train - the turnpike

Which of these marketing methods henry ford sell the model t to many people who had never before owned a car? a) offering free maintenance on cars for a full year b) airing television commercials with memorable slogans c) advertising with the new communication outlets such as radio d) offering many different colors and models for buyers to choose from

When did the us congress declare war on the confederate states?

How did the supreme court decision in the slaughterhouse cause an affect american business