The answer is C. Airplanes. All were used, but the other three were used as weapons.
Answer:
The Anglo-Zanzibar War of 1896
Explanation:
The shortest war in history: The Anglo-Zanzibar War of 1896. At 9am on 27 August 1896, following an ultimatum, five ships of the Royal Navy began a bombardment of the Royal Palace and Harem in Zanzibar.
sorry if I’m wrong :(
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.
I would go with the first one
