The use of (B) Roman roads
Answer:
D. Things that are difficult to understand or explain.
Explanation:
The word "mystery" refers to the thing(s) difficult to understand or comprehend, or even explain. It suggests things that are hard to be understood or even explained to others, anything that mystifies or is secretive and unable to be understood.
As used in the given sentence, the word "mysteries" refers to the things that are hard to understand, the things in the sea that appeals to her yet are incomprehensible.
Thus, the correct answer is option D.
Solving international disagreements in a peaceful way
It was Founded to protect consumers from adulterated and misbranded food and drugs, I believe.
<span>C. Cuba's communist leaders demanded Soviet military support after U.S.-trained soldiers had invaded Cuba.
The invasion of US-trained soldiers occurred in 1961 -- The Bay of Pigs Invasion. Cuban exiles trained by the USA's Central Intelligence Agency aimed to overthrow the communist government of Fidel Castro in Cuba, but failed.
Cuba requested that the USSR, as its communist sponsor, place missiles in Cuba to deter further US-sponsored action against the Castro regime. That request, coupled with the fact of American missiles that were located in Europe, within striking distance of the USSR, prompted Nikita Khrushchev of the USSR to send the missiles to Cuba.
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