なぜならそれが正しい方法だからだ

N3 なぜなら nazenara because N5 それ sore that, that one N5 正しい tadashii correct, right N3 方法 houhou method, means, technique N4 だから dakara therefore, so, that is why

N4 正 sei, shou / tada.shii, tada.su, masa, masa.ni correct, justice, righteous N4 方 hou / kata, -kata, -gata direction, person, alternative N3 法 hou, hatsu, hotsu, furan / nori method, law, rule

N5 〜から kara Indicates cause or reason, equivalent to because or since, connects two clauses explaining reason N4 〜なら nara Indicates a condition based on context or already mentioned topic, means if it is the case of N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options