The British economy was already weak after WW1, so when the US stock market crashed, taxes were put on foreign imports. The value of British exports were halved, and many areas went into poverty (unemployment more than doubled) so Britain devalued their pound in 1931, which made goods cheaper and improved their economy.
This answer to this would be A.
The sentence that provides a clue to the meaning of Slaughtered is
"Entire Populations were slaughtered".
Slaughtered means kill or defeat.
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Answer:
The property is situated or where the defendant resides