Answer: B
Explanation: separate the continents of Europe and Asia
Your answer would be D saudia arabia.
Answer:
Cause
Explanation:
The U.S. had spilt into two countries, they wanted to keep the U.S. together, but by 1864 thoughts changed since most of the north wasn't for it.
To expand his empire, Tang Taizong primarily tightened control of the provinces and inspired a higher sense of "belonging" in the empire, which appealed to many citizens.