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Answer:
The most convincing 'internal' factor behind southern defeat was the very institution that prompted secession: slavery. Enslaved people fled to join the Union army, depriving the South of labour and strengthening the North by more than 100,000 soldiers. Even so, slavery was not in itself the cause of defeat.
Answer:
Mexico.
Explanation:
Present-day Mexico was the geographic environment where the Olmec, the Maya and the Aztec civilizations were born and developed, reaching power, influence and expanded. Each of them also made great cultural contributions such as calendars, the concept of zero in mathematics, astronomic observations, agricultural techniques, splendid architecture, etc.
The intolerable act .....
First is A?
Second is B?
Hard questions.