Answer:
The Soviet Union began to secretly install missiles in Cuba to launch attacks on U.S. cities
Explanation:
One such sentence would be this: "The compass was a vital piece of technology that allowed sailors and explorers of all kinds find their position in the world relative to the North Pole".
DNA Sequencing is the process of determining the sequence in which the nucleotide bases.
as Russian was complicated state it was obligated to start changing in order to advance