Answer:
O <em>Major Tallmadge did not trust anyone with his codes other than Woodhull, Townsend, and General Washington.</em>
Explanation:
<em>The statement best expresses the central idea of the excerpt due to the fact that he has the ability to develop more machines (secret writing system) which he invented but choose to invent only four.</em>
<em>He sent to the above named people whom he trusted while he retained one of the secret writing system to himself.</em>

Conformity in schools plays a major role in fulfilling their <u>tasks of educating the teens</u> and preparing them for the world outside the walls of school building. Obediently, with their heads down, students are taught to become successful executives and agreeable members of society.

if you mark my answer as brainliest I swear to answer your questions ^^
I'd say Moved swiftly is the answer. i'm not sure.
C. Hope this helps, Please give brainliest.