Answer:
"The shot heard round the world" is a phrase that refers to the opening shot of the battles of Lexington and Concord on April 19, 1775, which began the American Revolutionary War and led to the creation of the United States of America
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Some of the methods used were: 1. Death by firing squad 2. Showers of carbon monoxide while showering 3. Zyklon B (also used to kill live)
One of the weirder ones is that they tricked ppl to walk inside vans where they were driven to a nearby forest with fumes to be buried or burned
Roads, canals, and railways were three major components of transportation improved during the first industrial revolution. People used the roads as the basic way to transport the goods from one place to another. Transporting goods by canal lowered the risks of smashed products during route.
They didn't want to enter European affairs and they wanted to keep there neutrality