Why did the fall of the Han dynasty help Buddhism spread in China?

How did the united states surprise other delegates at the washington naval conference in 1921

In italy, the distance between milan in the north and palermo, sicily, in the south is about 550 miles. in the united states, the distance betweenboston, massachusetts, and savannah, georgia, is about 900 miles. do you think the american revolutionaries of 1776 in the 13 colonies faced some of the same challenges as the patriots who struggled for italian unity in the 1860s?  

The english document that laid the ground work for judges in the us to rule based on precedent is known as the