One of the main reasons why Bismarck wanted to control the territories of Alsace and Lorraine was mostly because both territories were plentiful and useful territories to have in any country as they were quite developed. It was also good for strategic reasons.
Cold weather is the best answer!
a) - Poland was also at war with the Soviet, unlikely it would help
b) Soviet Union has only very limited access to the Mediterranean, which likely was completly cut off at the time anyway
c) they could have it, but China was too busy fighting its own war!
Answer:
These processes are associated with large-scale movements of the Earth's crust (tectonic plates). Folding, faulting, volcanic activity, igneous intrusion and metamorphism can all be parts of the orogenic process of mountain building.