expression
from the fact that; because; given that
Used to state a reason or basis for a conclusion, often following a clause that describes a known fact or situation. Common in both spoken and written Japanese.
彼は遅刻が多いことから、上司に注意された。
Because he is often late, he was warned by his boss.
この地域は雨が少ないことから、水不足が深刻だ。
Given that this region gets little rain, water shortages are serious.