Answer:
it would help of you left answer choices lol
<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>
Because there are some things human minds can't explain . An that some things are better left alone.
