Answer:
C
Explanation:
expediency def: the quality of being convenient and practical despite possibly being improper or immoral; convenience
It doesn't make since with the sentence
Answer:
Because blacksmiths were important. They provided people with a variety of metal tools, and fabricated weapons for war. They also constructed household items. They not only created these tools, but they also repaired and maintained them.
Answer:
an electronic communications network that connects computer systems all over the world
