Hm, this is not an easy question.
Generally the best way to prevent a nuclear disaster is not to have any weapons, so A would be a good option. But in the modern world, complete destruction of all weapons is not feasible, and people believe that since US and Russia limited their number of weapons, this is no longer such a big concern (option D, which is I think the best. Personally, however I faviour A as a solution to the problem of nuclear weapons).
Charlemagne was able to gather together many of the former
Roman Empire’s European territories by conquering many European kingdoms and fighting
off invaders. He ventured out to different lands and invaded different cities
and countries to be part of the Roman Empire.
A. It looked like Clay had traded a government position for his support of Adams.
Adams has used his connections with congressmen. In exchange for their votes for his election, they would get government positions
Hope that helps
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