I believe the answer is c.
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.
During this era, the united states have become more prosperous and noticed an exceptional boom in enterprise and generation. but the Gilded Age had a more sinister side: It changed into a period where greedy, corrupt industrialists, bankers, and politicians enjoyed remarkable wealth and opulence at the rate of working elegance.
Is The Gilded Age drama primarily based on a real tale? No, it isn't always. but, The Gilded Age takes the region in an actual historic duration. It additionally suggests real-existence individuals, or at least, an evaluation of them.
Bernstein and Swan in all the money in the world (2008) mention the top 4 richest individuals ever—all tycoons of the Gilded Age—respectively: John D. Rockefeller, Andrew Carnegie, Cornelius Vanderbilt, and William Henry Vanderbilt. Henry Ford became ranked only the twelfth.
Learn more about the Gilded Age here:
brainly.com/question/3009202
#SPJ9
2. Fore sure if I’m right give brainly
Answer:
The United States and Mexico
Explanation: