Which of the following best summarizes this excerpt from John Marshall's opinion? The definition of commerce is differently interpreted by each state.
The most important area involving commerce is in securing the national economy.
The buying and selling of goods across state borders ought to falhunder stricter laws.
The transportation and navigation of goods is part of the constitutional definition of commerce.

b

explanation:

hello,

the steamboat is your answer.

it seems like its the only form of transportation on the choices.

depending on what kind of map for example a pltical maps works in many ways this iss how it works it shows the areas and places the democratics and the repbulcicans reside for example if   texas chooses trump for president there a republican state and if   califronia chooses hillary there a democratic state.

the railroad administration