Japan quickly adobted Western-stlye government, military, education, and many other ideas.
revolt by the people removing the US puppet the shah of iran
Japan did so by military force. They essentially invaded those countries with their army backed up by the Japanese Navy. Japan was looking for resources to support their growing needs for manufacturing.
The US stopped Japans isolation in the 1800's by direct military action. The new Japanese government then went about westernising Japan. Ironically US intervention in 1800's Japan, lead to WWII.
With the British military focusing on Europe and the Mediterranean Sea, it left little of its aircraft and trained divisions to help holding on to its colony of Singapore. Japan was easily able to capture it early on in the war.
The Shang able to take control on china from their uppresive regime and stiff economic policy.
women were not able to participate in the military in her day.
By using boats
Japan's conscription policies gave the Japanese army access to manpower and was able to install within its recruits the traditional Japanese culture the policy of total obedience to the Japanese imperial system. By 1937, its military expansion program created to 24 divisions, and 54 air squadrons. By 1941 Japan had 133 air squadrons and had an army of over one million troops. This was backed by two million trained reserves.
The President and Congress immediately declared war against Japan. The Emperor of Japan and his military leaders assured the citizens of Japan that the United States would be unable to endure the type of war that they would bring us. Their reasoning was that since the people of the United States were so racially diverse, we would not be able to have the resolve necessary to fight against the "superior" Japanese military. Unfortunately for them and fortunately for us, they were wrong.
They traveled by the coast in boats.
After WWII they haven't had to spend money do defend themselves. They have been able to use the resources to develop their nation without wasting money on armies and navies.