a problem or difficulty arises or exists, the issue; the problem
→ 問題
phraseCommon#2,675
a problem or difficulty arises or existsが marks 問題 as the subject; the surrounding verb or context tells whether the problem is arising, being resolved, or where it lies.
JA: このように考えると多くの問題が起きてくる。
EN: Thinking about it this way brings up many problems.