My first guess is because they were attacked by foreign invaders.
(but at the same time, both empires had split in their own way. The Han empire lost control and broke into different areas. The Roman Empire had become two parts, where the Western part was constantly attacked by Germanic tribes). Both sides were constantly attacked by invaders until there was no more land to take.
Answer:I am originally from Texas so I know, it's A.Oil
Explanation:
ANSWER: A) could not focus only on business and economics.
EXPLANATION: The dollar diplomacy was not limited to the discussions of business and economics favoring USA but it also expanded to terms of foreign policy. It was also discussed that the USA has the right to intervene if any country in the western hemisphere appears politically and financially vulnerable.
C is the answer
There were 5 border states. Each one had slaves, but didn't secede during the civil war.