<span>The combination of new taxes and large standings armies</span>
Members of the same country (the Confederacy wasn't recognized - it doesn't count as a separate country) were making absolute war on one another. It was brother fighting brother.
Answer:
Railroad time became the nation's standard, linking Americans in one more way. The unchecked power and greed of the railroad companies led to widespread corruption and abuse of power.
Explanation:
The declaration of independence