Which of these things most affected Japan’s contact with other peoples?

To answer this question, we need to know what "these things" are. The question is asking about the factors that most affected Japan's contact with other peoples, but without a list or context, it's impossible to provide a specific answer.

However, in general, Japan's contact with other peoples throughout history has been influenced by several factors:

1. Geography: Japan is an island nation, which naturally limited its contact with other peoples. The surrounding sea served as a barrier that made it difficult for outsiders to reach Japan, and for the Japanese to venture out.

2. Policy of isolation: During the Edo period (1603-1868), the Tokugawa shogunate implemented a policy of sakoku (closed country), which severely limited foreign contact.

3. Western imperialism: The arrival of Commodore Matthew Perry and his "Black Ships" in the mid-19th century forced Japan to open up to the West, leading to increased contact with other peoples.

4. Modern technology and globalization: In the modern era, advancements in technology and the process of globalization have greatly increased Japan's contact with other peoples.

Please provide more context or a list of options to get a more specific answer.

To answer this question, we need to know what "these things" are. The question is asking about the factors that most affected Japan's contact with other peoples, but without a list or context, it's impossible to provide a specific answer.

However, in general, Japan's contact with other peoples throughout history has been influenced by several factors:

1. Geography: Japan is an island nation, which naturally limited its contact with other peoples. The surrounding sea served as a barrier that made it difficult for outsiders to reach Japan, and for the Japanese to venture out.

2. Policy of isolation: During the Edo period (1603-1868), the Tokugawa shogunate implemented a policy of sakoku (closed country), which severely limited foreign contact.

3. Western imperialism: The arrival of Commodore Matthew Perry and his "Black Ships" in the mid-19th century forced Japan to open up to the West, leading to increased contact with other peoples.

4. Modern technology and globalization: In the modern era, advancements in technology and the process of globalization have greatly increased Japan's contact with other peoples.

Please provide more context or a list of options to get a more specific answer.