Final answer:
Sherman's neckties were iron railroad rails used during the Civil War as a strategic tactic to disrupt Confederate supply lines.
Explanation:
Sherman's neckties were made of iron railroad rails during the Civil War. These were heated, twisted, and wrapped around trees to render the rails unusable for Confederate troops.
This strategic destruction of railways played a significant role in hampering Confederate supply lines.
Learn more about Civil War here:
https://brainly.com/question/43551236
