Conjunções - Conjunções de causa e efeito

used for introducing the reason of something

porque

used to express a reason for something happening, existing, etc.

uma vez que

used to summarize or draw a conclusion based on previous information or to provide a logical inference

então

used to provide a reason, explanation, or context for the main clause

neste sentido que

used to indicate a result or outcome related to what has just been said or happened

agora

used to provide context or justification for an action, decision, or statement

Visto que