George Washington had warned the American people against “the insidious wiles of foreign influence.” President Monroe, writes Arnold Whitridge, further developed “the thesis of non-entanglement.
The expansion of railroads created more ways for things such as general goods to be shipped elsewhere to buyers or companies. (Hope this helps a bit, sorry for such a short answer.)
Answer:
our history is important to our culture n stuff & so that we don't repeat history, like slavery, and the Holocaust.
Explanation: history is important >:(