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Answer:
Roman engineers used inverted siphons to move water across a valley if they judged it impractical to build a raised aqueduct. The Roman legions were largely responsible for building the aqueducts. Maintenance was often done by slaves. The Romans were among the first civilizations to harness the power of water.
Explanation:
The reason that President Lincoln gave for fighting the Civil War was<u> B) use any </u><u>means necessary </u><u>to save the </u><u>Union</u><u>.</u>
<h3>President Lincoln's actions</h3>
- President Lincoln tried to reassure the South that he would not end slavery.
- Lincoln believed that the secession of the South States would lead to the destruction of the Union.
Lincoln therefore decided that the best way to protect the Union would be to bring the Southern States back into the fold by any mans necessary including force.
In conclusion, option B is correct.
Find out more on President Lincoln at brainly.com/question/12827866.