Conquering of lands and severe control i think
Answer: a Steam Locomotive.
<h2>What is a Steam Locomotive?</h2>
"<em>A steam locomotive is a type of railway locomotive that produces its pulling power through a steam engine."</em>
<h2>What is the Tom Thumb?</h2>
"<em>Tom Thumb was the first American-built steam locomotive to operate on a common-carrier railroad."</em>
-Edge
<span>Loyalty to old immigrants and discrimination against new immigrants.</span>
I believe D I have read about them but I don't quite remember
Answer:
It was a civil war greater than any ever known before or since. ( B.)