Which of these inventions most improved the ability of americans to communicate across the country?

it is due to the halo effect as the impression of the boy created earlier.on the mind of the principle affected his decision

answer; /// i believe the correct answer is (b) disposition

balearic sea - is a body of water in the mediterranean sea around the balearic islands. baltic sea - is a mediterranean sea of the atlantic which is enclosed by scandinavian and baltic countries. barents sea - is a marginal sea in the artic ocean located off the northern coast of norway and russia.

my good sir, your answer here is "jvhrwekjhvbebebjb"

your welcome.