Fill in the prepositions where necessary.
1) ______ part his speech was calculated ______ effect as the defendant had entrusted his life ______ the attorney, but all the attempts of the latter were ______ little effect.

1) ___In___ part his speech was calculated ___for___ effect as the defendant had entrusted his life ___to___ the attorney, but all the attempts of the latter were ___of___ little effect.