If countries didn't have any conflicts between them, all the problems in the world would be solved.
"国同士の争いがなくなれば世の中のあらゆる問題が解決できる"
- If countries didn't have any conflicts between them, all the problems in the world would be solved.
- All problems would be solved if countries stopped conflicting with each other.
If there were no conflicts between countries, we could solve almost every problem in the world.
1. If there were no conflicts between countries, we could solve almost every problem in the world.
「もし国同士の争いがなければ、世界のほとんどの問題は解決できる」
if there were は「もし〜だったら(現実とは違う仮定)」の形で、理想を語るときにぴったりです。
almost every problem と言うと、「あらゆる(every)」。
2. If nations stopped fighting and truly worked together, we could tackle most global issues.
「国々が争うのをやめて本当に協力すれば、ほとんどの世界問題に取り組める」
stopped fighting は分かりやすい言い方です。