A. The need for natural resources
Explanation:
Japan was one of the first Asian countries to get industrialized/ westernized. With industrialization requires the needs of natural resources, therefore the Japanese sought out territorial expansion to gain more resources from captured territories.
As the first peaceful transition of political power between opposing parties in U.S. history, however, the election of 1800 had far-reaching significance. Jefferson appreciated the momentous change and his inaugural address called for reconciliation by declaring that, "We are all Republicans, we are all Federalists."
For more info http://www.ushistory.org/us/20a.asp
The answer is the the empire was conquered and exploited by Pizarro and other Europeans.