The correct answer is "Better than any other country on the planet". The Chinese empire practiced the Isolationism during different dynasties, particularly during Ming dynasty, with Hongwu Emperor proposing the policy to ban all maritime shipping in 1371. Chinese leaders practiced this policy to avoid enemies to enter to their territory and because they believed they were superior to any other country and China could be self-sufficient.
Answer:
In my opinion that were the geographical position and large number of great sailors and explorers.
Explanation:
Even in the first half of 15th Century Portugal started spreading its maritime strength, which was their main focus when it comes to development of the country. Of course, the position of the country, that is located on the shores of Atlantic Ocean allowed the sailors from this country to gain certain knowledge. Of course, with the technological improvements of that period they started sailing on the open sea. Of course, all of this wouldn't be possible without great sailors and explorers that opened the Age of Exploration. Among them the most famous were Dias, Vasco de Gama and Pedro Cabral.
They gained iron that drove the kingdom south
B, to force Japan to surrender to the Allies. Germany already surrendered, so they wanted Japan to surrender to end the war.