How might events in these two countries influence each other?

Japan and the United states

Both of the countries are allies so if someone goes to war with the other one of them will defend the other. They trade with eachother so if someones trade becomes off it will hurt the other. And finally their are lots of foreign travel going between eachother so if one bans travel to the other it will hurt the economy.

answer; validity;

answer; specific deterrence;