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.
The right answer is C) Edward Braddock. Major General Edward Braddock (1695-1755) was commander-in-chief at the beginning of the French and Indian War (1754-1763) and, in 1755, he led a massive expedition aimed at capturing Fort Duquesne, in Pennsylvania, which had been built by the French. The expedition, however, was a failure, and Braddock died at the Battle of the Monongahela - also known as Braddock's Defeat - that ensued.
A. Japan Devalued it's Currency. This lowered the value of its money compared to foreign currencies. Likewise, Japanese products were less expensive than imports.
