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.
Answer: C
Explanation: The Bantu form an African ethnic group that inhabit the southern African region of the Sahara Desert. Most of the more than 300 ethnic subgroups are farmers, who also live on fishing and hunting.
The republican party emerged in 1854 to combat the Kansas Nebraska act and the expansion of slavery into American territories the early republican party consisted of the Africans Americans, northern white protestants, businessman, professionals, factory workers, and farmers
