What does an “opportunity to sharpen their minds” mean

Thurgood Marshall Acceptance speech

s the president shall be commander in chief of the army and navy of the united states, and of the militia of the several states, when called into the actual service of the united states; he may require the opinion, in writing, of the principal officer in each of the executive departments. sooo yeahhh

explanation:

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

the answer is true. i hope this .

confederacy: supported slavery, believed states should be able to nullify federal laws, supported low tariffs

union: everything else