The emergence of the German industries referred to in the passage is most directly explained by which of the following processes in the nineteenth century? The spread of new industrial technologies such as the internal combustion engine from the United States

The spread of new industrial technologies such as the internal combustion engine from the United States

A

The development of new methods of production during the second industrial revolution

The development of new methods of production during the second industrial revolution
B

The greater diversity of manufactured goods produced by industrial factories

The greater diversity of manufactured goods produced by industrial factories
C

The growing importance of using coal as fuel in industrial production