The best way to measure public opinion is through opinion polls - B
With opinion polls you get an idea what is the general idea about a certain topic from the public, as you usually get a high enough sample to deduce the relevant information.
To answer your second question I would say it is either B or C as being a sole proprietor usually makes you subjec to being a small business or you're forced to use factors of production less efficiently.
The answer would be the second choice or B
Once you look at the graph, you can see that the line is going up on higher numbers; allowing for the rate of growth to be growing over the years.
can you please explain this question better?
Answer:
Despite such efforts, Walker's pamphlet had circulated widely by early 1830. Having failed to contain the Appeal, Southern officials criticized both the pamphlet and its author.
Explanation:
Slavery was most common in the Southern United States
