<span>Earlier to the 1800s, settlers had
to cross the United States by means of horses and wagons. By the early 1800s,
canals began to assist opening up the interior. In the late 1800s, the
railroads facilitated people settle down to earlier unreachable areas in the
west. By the 1900s, the U.S. federal highway system assisted people effortlessly
migrate through the country. </span>
To maintain freedom of the seas
The similarity between Mississippi River, Appalachian Mountains, and Rocky Mountains is that they all created a rigid borders that effect the culture and trade of the people on either side of them
<h3>What are the natural features?</h3>
These natural features such as river and mountains were large vast of nature that spread across the U.S. land.
The similarity between them is that they created a rigid borders that effect the culture and trade of the people on either side of them
Therefore, the Option B is correct.
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<em>brainly.com/question/508422</em>
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The united states imports more goods than any other nation in the world
D they really didn’t like the rule of the king and his government which was very unfair