Answer:
b. anger over immigrant workers taking “American jobs” led to the Civil War.
Step-by-step explanation:
Although immigration existed before the Civil War, this was moderate compered to the years that came after the Civil War. Moreover, immigration had very little, or nothing, to do with the outbreak of the Civil War. The war was caused by the divisions between the North and the South of the country, including their views on slavery, industry, state rights and unity.