Atomic war
The Spanish term 'guerra atómica' translates to 'atomic war' in English. An atomic war is characterized by the use of nuclear weapons, devastating in their potential to cause mass destruction, particularly in terms of their impact on environment, life and infrastructure. These wars are a pivotal topic of concern in modern international relations and disarmament dialogues.
We live with the constant fear of an atomic war.
This sentence expresses a persistent anxiety (constant fear) about the prospect of an atomic war in the present time. It uses the present-tense verb (vivimos), which means 'we live'.
The atomic war could end human existence.
This sentence casually describes a dire consequence (end of human existence) that could result from an atomic war. It uses the future tense form (podría), which expresses possibility.
The era of atomic war taught us the true meaning of fear.
The sentence signifies that the era of atomic war was a time when people experienced intense fear, presumably because of the destructiveness of atomic weapons. It uses the past tense verb (enseñó) to indicate that this is a lesson from the past.