A speech made by only one character in a play especially when the character is alone is called

A soliloquy is a speech spoken to no one but oneself, even if other people are around. ... In a play, a soliloquy is performed alone, regardless of whether there are other actors present on the stage. Soliloquies are typically used to let the audience hear a character's inner thoughts.

soliloquy

Explanation:

soliloquies are typically used to let the audience hear a character's inner thoughts.

the answer should be

the simple past tense of strive.

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