Answer:
One of the advantages was the protection of the hills and mountains found in the peninsula. Another advantage was the 2 (two) large mountain ranges made it hard for people to come in and attack/invade.
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Subsistence agriculture is a self-sufficiency farming system in which the farmers focus on growing enough food to feed themselves and their entire families.A cash crop or profit crop is an agricultural crop which is grown for sale to return a profit. It is typically purchased by parties separate from a farm.
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Perry help the United States expand its influence in Asia as he negotiated the first treaty between the United States and Japan (Kanagawa Treaty).
The Kanagawa Treaty was signed on March 31, 1854 between Commodore Matthew Perry of the United States and the authorities of Japan, in the Japanese port of Shimoda. This treaty ended with 251 years of Japan's isolation and, at the same time, with its policy of exclusion (Sakoku), thus opening the Japanese ports of Shimoda and Hakodate to trade with the United States, guaranteeing the safety of American shipwrecks and establishing a permanent consul.