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.
A is the answer to the question
Answer:
I believe this one is the answer
The Inca wanted to unite their large empire, which stretched from mountainous to desert regions
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A because i took the test hope this helped!