Why did the japan sign unequal treaties with the united states?

japan wanted to avoid extraterritoriality like what china suffered.

japan was coerced by the powerful united states military.

it was the only way to keep japan’s ports closed to western influence.

japan felt the need to modernize and needed the united states to do it.

World war i is generally considered to be the first instance of total war. where every of-age citizen and all possible resources are mobilized in the war effort. in light of this, do you believe britain's blockade of germany-which eventually extended to all goods, thereby violating international law-was justified? explain your opinion.