Answer:
D) The Harappans used sun-dried clay bricks to build their structures.
Are you sure you typed all the choices? All three of those things were things that happened following the German invasion of the USSR during World War II. What didn't happen was a German victory. The war between Germany and the USSR on the Eastern Front was long and brutal, costing many lives. But the Soviet Union eventually prevailed and then advanced against Germany itself.
Answer:
Correct answer is It was a rapid transition marked by violent internal conflict.
Explanation:
Last option is correct as after the death of Julius Caesar a second triumvirate was established. But it didn't last for a long period as civil war broke out.
Octavian fought against Mark Anthony and managed to defeat him after a couple of years of war. After that Augustus was proclaimed as a first Roman emperor.
All options which are saying that it fast peaceful transition are false, as it was a period of civil wars, while I wouldn't say that it was a slow transition as the conflicts didn't last for too long.
Pollution, mineral location, and new energy sources
space exploration and national defense
microbiology advancements and cloning procedures but I don't think you need all that :)