With the assistance of the ulema and qadis, the Abbasid empire was administered "<span>under the guidelines of the Quran and sharia," since there was an unflappable religious influence to the governance strategy. </span>
Germany fought Russia/USSR and France in both world wars. Both Italy and Japan where aligned with Third Reich in WW2, but fought against Germany in WW1. Italy did align itself with the German Empire in the years leading up to WW1, so that is the best answer out of all of these. However none of them are truly correct.
The statement that best explains the reasons for building the Panama Canal across the Isthmus of Panama was to shorten sailing time between the Atlantic and the Pacific Oceans. The correct answer is B.