What?
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To answer the question above as to which British leaders was primarily responsible for the policy of appeasement in the 1930, the answer is Prime Minister Neville Chamberlain but seeing the roots upon the appeasement is coming from the weakness seen from the post-world war I, a collective security arrangement was brought.
The revolt of slaves caused political revolutions in Latin America during the age of revolutions.
I believe that the answer is BUSINESSES.
