I believe the answer is A: the first satellite launched into space.
The main reason was the South wanted to preserve slavery. The North wanted to abolish it. If you want some other reasons than slavery, let me know, and I will do my best to add more to this answer.
Explanation:
The Second Triumvirate was officially recognized by the Roman government in 43 BC. Some historians consider this to be the end of the Roman Republic. The Second Triumvirate ruled for ten years until 33 BC. However, it began to split up when Octavian removed Lepidus from power in 36 BC.
Ummm...I think that's the oath that states the obligations and proper conduct of doctors, formerly taken by those beginning medical practice. Parts of the oath are still used in most medical schools.
