3(-1) = 3 + 3 = 9 so your answer is 9
The history of electricity is very interesting.
From Mr. Faraday when he discovered in 1831 the basic principles of electricity generation and before Benjamin Franklin worked in experimental of electricity around 1752.
The electricity has been a great source of energy for the world.
Spite of the steam power has contributed to the industrial revolution before the development of electricity the electricity discover helped to usher in industrial activity in scale never before seen.
Based on that argument of the history the invention of electricity impacted the industries so that many manufacturers were able to build.... ( option D), because it shows a statement more nearly of the historic arguments.
On November nine, 1989, hundreds of jubilant Germans brought down the maximum seen symbol of the department in the heart of Europe—the Berlin Wall
The crumble of the Berlin Wall was the culminating factor of the modern changes sweeping East important Europe in 1989. for the duration of the Soviet bloc, reformers assumed electricity and ended over 40 years of dictatorial Communist rule. The reform motion that ended communism in East valuable Europe began in Poland.
The Soviet Union's fall apart not best threw economic structures and change members of the family all through eastern Europe right into a tailspin, but it additionally produced upheaval in lots of jap European nations and led to increased crime fees and corruption inside the Russian government.
Learn more about the Berlin Wall here
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C.France and Russia is the answer please mark me as brainlest
