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:
the voters, which is us, selects the electors
D. to discuss plans for a peace treaty
Answer:
Four Elements of Social Structure
Explanation:
Four of these – the family, economic institutions, political institutions and religious institutions – centre upon getting food and other items of wealth, procreation, worship and ruling. The community, the total organized life of a locality, is the most inclusive spontaneous grouping in the social structure.
