Which of the following best describes “nuclear deterrence”?
the belief that a nuclear war would have no winner
the idea that no nuclear weapon was as strong as armed forces
the idea that the threat of nuclear war was enough to stop an attack
the competition to acquire more and deadlier weapons

The correct answer is the idea that the threat of nuclear war was enough to stop an attack.

The word "detterence" is defined as an action or situation which stops a person/group from performing a different action out of fear. In this case, countries are dettered from using nuclear weapons because they are worried how other countries would retaliate. This exchange of nuclear weapons could result in the deaths of millions of citizens in a short period of time. This is why many countries try their best to negotiate and create treaties with other countries whom they have problems with.

"the idea that the threat of nuclear war was enough to stop an attack"

Explanation:

The theory of deterrence is a term related to the use of nuclear weapons, which developed and gained pre-eminence as a military strategy during the Cold War. It gained a special status during this time as an inferior nuclear force, because of its extreme destructive power (provided that its forces were protected against a surprise attack), could deter a more powerful adversary.

Deterrence is a strategy that tries to stop an opponent from initiating an action, or to carry out something that the other state does not want. Nuclear deterrence specialist Bernard Brodie pointed out in 1959 that "Nuclear weapons must always be ready, but they should never be used."

native american contribution: the patriots from britain learn how to hunt, fish, and introduce diversity within cultures.

african americans: indirectly introduced the idea of diversity to americans. africans coming to america because of slavery taught white americans that people come from different backgrounds and colors. it also built america's economic stability for a great period of time. 

women: make america what it is today. there are some societies that are in the world currently that do not give women the same right we give women here in the united states. because women have rights here in the united states, other countries' citizens strive to come to america, especially women, since they have equal rights in the united states. this is important because america is seen and desired by many in the world. 

children: children are our future. we learn from our elders and carry out things the same or differently learning from america's history. we continue tradition and change tradition if it is needed. 

answer:   migrations were important in the neolithic period. "two major migrations passing through southeastern europe were confirmed by the means of archaeo-genetic studies."

the first migration was the early neolithic period -- 6,000 before common era (bce) -- when the first farmers, from anatolia -- asia minor -- spread through europe. the second migration occurred during the early bronze age (3,000-2,500 bce) when the so-called "steppe population," from the eurasian steppe, replaced much of northern europe's previous population.

the first farmers of northern and western europe passed through southeastern europe with limited hunter-gatherer genetic admixture, which occurs when two or more previously isolated populations begin interbreeding. however, some groups that remained mixed extensively -- without the male-biased, hunter-gatherer admixture that prevailed later in the north and west, according to latest discoveries. southeastern europe continued to be a nexus between east and west, with intermittent genetic contact with the steppe people up to 2,000 years before the migrations that replaced much of northern europe's population.

"in some places, hunter-gatherers and incoming farmers seem to have mixed very quickly," says iain mathieson, a geneticist at the university of pennsylvania, who was first author of the paper. "but, mostly, the two groups remained isolated, at least for the first few hundred years. these hunter-gatherers had been living there for thousands of years, and it must have been quite a shock to have these new people show up -- with a completely different lifestyle and appearance."