Final answer:
When the president travels out of the country to strengthen trading bonds with Japan, it is known as a diplomatic negotiation or economic diplomatic visit. These visits aim to foster economic and political relationships.
Step-by-step explanation:
When the president has traveled out of the country in order to strengthen the trading bonds with Japan, this is known as diplomatic negotiations or an economic diplomatic visit. These visits are aimed at fostering economic and political relationships between countries. One example of such a visit is when President Roosevelt sent the U.S. Great White Fleet on a goodwill tour in the western Pacific Ocean as a show of force to Japan. Another example is when President Reagan pressured Japan to limit car exports to the United States in 1981.