What specifically is the kaiser referring to when he states, “ i fully understand how difficult it is for you and your government to face the drift of your public opinion

Kaiser was referring to the Murder of Archduke Francis Ferdinand in Serbia

Explanation:

The action of Austria against Serbia was creating a bad impression in Russia and this made the Russian Tsar, to send a telegram message to Kaiser asking for this intervention to avoid a looming war in Europe. It caused a bad impression on Russia because of its ties with Serbia.

The Russians had a very different opinion about the murder of Archduke Francis Ferdinand by his own countrymen in Serbia and the punishment that should be meted out on those who committed the murder of the king and his immediate family. the killing of Archduke Francis Ferdinand was one of the major causes of the World war 1

i believe it d) heterogeneous

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.