Which piece of textual evidence best supports the inference
that the British had better code breakers than the Russians
did?
The Russian admiralty decided that their British allies
could make better use of the codebook than they could,
so it was sent to London.
The codebook was a bonanza for the British code
breakers.
Not only did it contain the columns of code words
groups of randomly selected numbers-on which the
messages were based
[B]ut it also included a changeable key to the cipher
systems used to obscure the coded messages.

in 1636, roger williams settled at the tip of narragansett bay after being banished from the massachusetts bay colony for his religious views, on land granted to him by the narragansett tribe. he called the site "providence plantation" and declared it a place of religious freedom.

explanation:

in other words

to put it differently

for one thing

as an illustration

in this case

for this reason

to put it another way

that is to say

with attention to

by all means

important to realize

another key point

first thing to remember

most compelling evidence

must be remembered

point often overlooked

to point out

on the positive side

on the negative side

with this in mind

notably

including

like

to be sure

namely

chiefly

truly

indeed

certainly

surely

markedly

such as

especially

explicitly

specifically

expressly

surprisingly

frequently

significantly

particularly

in fact

in general

in particular

in detail

for example

for instance

to demonstrate

to emphasize

to repeat

to clarify

to explain

to enumerate

im pretty sure a would be the answer