Answer:
97556 appeared near the end of the message; the 90000 family indicated important names that were not used very often in messages. When they found out it stood for Zimmerman, it allowed them to decode the rest of the message.
d
Explanation:
just took assignment on edge
d. Brady will start singing at the drop of a hat.
the idiom "at the drop of a hat" means Immediately, without delay.
Ask google he will help for sure
Here you go! Hope this helps....