A it forced the Japanese to call off their attack on New Guinea
The Zollverein was an economic union of 30 states. The correct option among all the options given in the question is option "b". Zollverein is actually a coalition of German states whose main agenda was to manage the tariffs and all the economic policies within the German territories. Later on it expanded to other European countries as well.
An economic slump due to the government over spendings in Vietnam
Just John Xina knows and the leader of the CCP Winnie the Pooh
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Taiwan is a country</h2>