A reason why the Civil War lasted four years is that the Union had to fully conquer the South.
The correct answer is this one: <span>c. provide workers with financial security during illness and old age.
Bismark's Germany was the first welfare state in the world, as he believed that the biggest problem for the workers is lack of security.
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<span>Railroads took the lead in new patterns of business organization and management in the late 19th century because these infrastructures provided a system of mass transportation for people and goods. Access to cities across the United States became much easier during that time.</span>
The answer is boston and seattle