All of the choices given were invented before 1840 except for the zipper. The zipper was invented in 189. The correct answer is B.
Answer:
B, we have a federal government
The Portuguese first explored Africa
<span>The answer is D. The poem conveys meaning through its rhyme scheme; the prose passage does not
A rhyme scheme could be spotted by the patterns of rhyme by the end of each line in the poem.
Usually being done by putting the same letter by the end of this line or by putting same sounding.</span>