interrelate
v[I, Ipr, Tn, Tn.pr]
~ (sth) (with sth) (cause parts, etc to) be connected very closely so that they have an effect on each other (使各部分等)紧密联系(而相互作用)
Many would say that crime and poverty interrelate/are interrelated (with one another). 很多人都说犯罪与贫穷是密切相关的.
It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner with would make a modern climber shudder at the thought,