I would say that the answer is A.
Perestroika called for the restructuring of many aspects of the Soviet Union, for example for the restructuring of the economy. It called, among others, for more openness in communication between the government and the people.
When Wilhelm became kaiser, he was determined to present himself as a bold German warrior who would expand his nation's power. Germany, he declared, must have its "place in the sun" among the world's greatest nations. So he built up the German army and navy.
