Verbal predicates in the present, past, or negative forms, followed by the conjunctive particle kara or node ("because"), express a reason or cause. Kara is used primarily to express subjective reasons and excuses, while node is used for stating objective reasons and causes. Unlike kara, node does not project the speaker's personal opinion, and therefore cannot be followed by a statement of belief, or by a command or an invitation. The plain style of speech is normally used before kara or node, but the masu form may be used in very polite speech (example 3).
Haruko(-san) ga resepushon ni shusseki shinaikara, watashi mo (shusseki) shinai.
Haruko won't attend the reception, so I won't, either.
Nora(-san) wa yoku benkyō shitakara/node, seiseki ga agatta.
Nora's grades went up because she studied hard.
Tochū de jiko ga arimashita node kaigi ni okuremashita.
There was an accident along the way, so I was late for the meeting.
Hope this helps!
°˖ ✧◝(○ ヮ ○)◜✧˖ °こゆうきあいはら°˖ ✧◝(○ ヮ ○)◜✧˖ °