Answer:
Europe: The primary events which led to the outbreak of World War II in Europe were German aggressive expansionary policies in Eastern Europe, primarily the invasion of Poland, which triggered the outbreak.
Asia: The Soviet Union followed with a brief invasion of China in 1934, an event that drove Japan to... World War II in Asia was preceded by a period of expansion by the militarist regime in Japan. Japanese expansion began in China with the invasion and occupation of Manchuria in 1931.
Explanation:
The "Dark Age" in the Indian Empire was a period known for a series of rebellions that occurred against the ruling Kushanas. This happened due to the lack of legitimacy by them during the beginning of the 4th century. This created many small kingdoms within the provinces of India and fractured the empire. A lot of unregulated commerce happened during these provinces and there was little to no control by the Empire.
However, when Samudragupta rose to power, he started a campaign to unify the territories of India. Gradually annexing province by province as he went through them. This brought order as the trade was now regulated by one only entity which was the Empire.