Why did the Japanese cut terraces into the sides of mountains?

Japan cut terraces to have more farm land. Japan not being a big country, and relying on mainly agriculture, needed as much land as it could to farm. Some communities in Japan today still use the terraces in the sides of mountains to farm. Hope this helps.

Until the end of the Seven Years' War in 1763, few colonists in British North America objected to their place in the British Empire. Colonists in British America reaped many benefits from the British imperial system and bore few costs for those benefits. Indeed, until the early 1760s, the British mostly left their American colonies alone. The Seven Years' War (known in the United States as the French and Indian War) changed everything. Although Britain eventually achieved victory over France and its allies, victory had come at great cost. A staggering war debt influenced many British policies over the next decade. Attempts to raise money by reforming colonial administration, enforcing tax laws, and placing troops in America led directly to conflict with colonists. By the mid-1770s, relations between Americans and the British administration had become strained and acrimonious