How did the united states persuade japanese leaders to sign a trade treaty ?

The United States sent Matthew Perry and seven warships to Japan to sign the Convention of Kanagawa, the treaty allowing trade between the United States and Japan.

In financial aspects, a depression is a sustained, long haul downturn in monetary movement in one or more economies. it is a more extreme monetary downturn than a recession, which is a slowdown in financial action through the span of a typical business cycle. a depression is an irregular and extreme type of recession. so depression is always followed by recession but it is not correct to state that a depression always follow a recession.