Semantics is the study of word meanings.
It is one part of linguistics, other being syntax: the study of sentence structure, phonology and phonetics: the study of sounds, morphology: the study of word structures and pragmatics: the study of actual use of language.
The best answer from the list would be "<span> B. She travelled the country visiting people affected by the Great Depression" but she of course did many other things as well. </span>
A direct democracy it could also be B
Answer:
A. Airplane
Explanation:
Around 1918, Air delivery, became the new mode of transportation for mail, as it rendered railroad services unnecessary. During this period, the Post Office moved on the airplane bandwagon early, there by, offering air mail service in the early 1900s.
Hence, the 1900's technological invention which allowed the U.S. postal service to deliver the mail considerably faster than previous methods is AIRPLANE.