Answer:
Help readers under stand why Alcatraz was turned into a federal prison
Step-by-step explanation:
This section was written to help the readers understand the events that led up to the decision to make Alcatraz a Federal Prison. It happened that during the 1930's, there was an increase in crimes in the United States by some hardened armed robbers.
These hardened men when convicted and sent to prisons, escaped and were no match for the prison warders. This led to the decision to construct a federal prison that was escape-proof. Alcatraz was considered the best choice because it was desolate and isolated. The worst prisoners were sent to Alcatraz.