The correct answer for the question that is being presented above is this one: "B. building of the transcontinental railroad --> disappearance of the frontier." The pair of events that did the first event most directly influence the second is the building of the transcontinental railroad --> disappearance of the frontier.
Answer:
O A. frequency.
Explanation:
Intensity is how stressful the thing is while duration is how long it lasts. Stress is just what it is, and frequency is how often it repeats itself, that is, the rate at which it repeats. Every time it repeats it has its intensity and duration.
Society of the America and North Africa are closely parallel but their biggest difference is that Americans don't claim to be native and original people, thus one of the oddities of modern time is found in North Africa. American today classified themselves as a middle class.
