Germany attacked poland first out of those options
Option (a) i.e, Technology developed in systems of interdependent parts during the second industrial revolution.
The intelligent human being has always looked for solutions to nature's limitations throughout history. Thus, it was creating and developing technology tools to get around problems. We may claim that tremendous technological advancements are born out of necessity.
The Second Industrial Revolution often referred to as the Technological Revolution, took place between the late 19th and early 20th centuries and was characterized by a quick pace of scientific advancement, standardization, mass manufacturing, and industrialization.
During the Second Industrial Revolution, improvements in the production of steel, electricity, and petroleum led to a number of breakthroughs that transformed civilization. The development of more affordable steel allowed for the expansion of railroads and the construction of more industrial machinery.
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Answer: Christopher Columbus
Explanation:
The Great Wall was successful at keeping invaders out, but it was a costly project to build. B. The emperor's advisors refused to build.
He studied piano with composer Franz Joseph Haydn and met Motzart's rival Antonio Salieri