Radiation from Japan to the US?

Question:

Based upon the earthquake and subsequent tsunami in Japan in March of 2011, radiation levels increased in the water in Massachusetts. Scientists say this is because of the water cycle. Using terms from the water cycle, explain how this might have occurred.

Answer:

Why do you ask this Q to us Japanese?
We Don't Know!
Why don't you study how many cities in the US were affected by YOUR 2 NUCLEAR BOMBS dropped on Hiroshima and Nagasaki in Japan?
It is your problem, not ours.