In the 1850s, new types of machinery being produced increasingly needed oil for lubrication. And the main sources for oil at the time, whaling and collecting oil from seeps, simply couldn't meet the demand. Someone had to find a way to reach into the ground and extract the oil.
Because he wanted freedom
A monster like Grendel is an antagonist from Beowulf. A hero must be courageous and kindhearted to be able to defeat a monster like him. One must also trust his or her own instinct. The calmness of the hero defeated Grendel who is filled with anger.
The domino theory was a theory prominent from the 1950s to the 1980s that posited that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.
A domino effect or chain reaction is the cumulative effect produced when one event sets off a chain of similar events. The term is best known as a mechanical effect and is used as an analogy to a falling row of dominoes.
So the answer is the last one, “<u>It was the idea that if one nation fell to communism, others would soon follow the example</u>.”
The correct answer would be D. Martin Luther