N one
Was to remain (silent) was to wait (to be killed)
Remain silent and wait are the main actions. Was is in the place of a helping verb to give tense and manner to the main verbs.
Infinitives ARE verbs in English. Gerunds are 動名詞
Japanese education says that infinitives are nouns sometimes. While they seem like nouns they really are not. They are verbs.
One n
Remain (silent) and wait are main verbs
Was is attached to these verbs.
Was to remain
Was to wait
This is from a native point of view.
You are welcome. Without details just giving an answer is not teaching. I think you want to understand more than you want one answer that doesn't work somewhere else.
Thank you for answering in detail!