Availability of new land for farming in the West, while in the east, most of the land has already been taken.
<span>A very famous example for this was the Land Rushes - the races for the land that started in 1889 </span>
Secondary sources is the right one
The correct answer would be C.
In the 15th and 16th centuries, an increased number of vogages occurred all around the globe, to longer distances each time. This allowed the western civilization to stablish contact with the rest of Africa, America and Oceania.
The ability to travel further distances came because 2 things: the development of better ships, such as the galleon, and the advancements in navigation technology, which allowed the ship to reach it's destination even in months-long journeys across the ocean. The astrolable was one of such technological advances, allowing the sailors to identify the position of a celestial body in the sky, and triangulate the position of the ship from that information.
OK.....
So,
1) Japan is an island and they didn't have enough resource. Winning the support of the people takes more time. So, they thought a faster way to gain raw materials and resources was by conquering the other lands. Also, they thought using force was faster and effective.
2) To spread fear among other countries so that they wouldn't oppose Japan
The Persian king who regularized tax levies and standardized laws was "C. Darius," since this was thought to provide a much more sound economic platform for the kingdom.