Yes they have because they have reestablished trade between the two countries.
The same as with the US; enemies then, friends now.
we hope we have a good relationship with japan because if we don't they might come to the U.S and bomb us or hurt us.
Japan was now at war with the US.
Currently the US and Japan enjoy a very friendly relationship. The hostilities of WW II are long over and forgiven. Actually, the relationship is awful, if you want to find out why, watch the movie The Cove, it will tell you everything and a little more of what you need to know. "The Cove" is not about the US Japanese relationship, it's about the Japanese fishing industry. You may disapprove of the friendly relationship between the US and Japan, but it is nonetheless a friendly relationship. The US and Japan have both been involved in unethical business practices and in poisoning the planet, but they have been doing it in a state of mutual friendship.
The US is MUCH MUCH larger, Japan's culture is WAY different, and lastly 4 now, Japan is an island.
America and Japan are on good terms at this point in time. America and Japan are on good terms at this point in time.
The relation ship is that after all the wars with Japan the US is willing to make japan an ally
They were friends, but not in World War 2
Tense and cold; due to the embargos.
VERY friendly. The wartime tensions are long gone. Japan is a strong and VERY important ally of the US and other western nations.
That store is only in US.
It depends on what you mean by 'strong relationship'. You mean in economic, military or diplomatic terms? In diplomatic terms, the US has a much closer relationship with Canada than either Japan or Mexico. This is mostly due to past aggression wars between the US and Japan (World War 2) and the US and Mexico (Mexican-American War of 1846-1848). In economic terms, the US also has a closer relationship to Canada, as both countries are almost integrated as one single entity -- for example, fewer import/export taxes, easyness to cross each others borders. The US has however, a larger amount of foreign direct investment from Japan, but that is just an economic measure on how much foreign debt the US owes to Japan. In military terms, the US has provided a 'nuclear umbrella' for Japan. Again, this is not due to a 'good neighbor' policy, but because after WW2, Japan had to be demilitarized. To contain the Soviet Union during the Cold War, the US invested heavily on naval bases and modern weaponry in Japan.