Welcome.
Here's all the proof you need.
give is a ditransitive verb; it takes two objects,
a direct object
an indirect object introduced by the preposition
to
Both the
indirect object and
direct object object are nominal (nouns):
EX: The Act gave
effect to
Australia's agreement to implement Guidelines adopted in 1980 ...
effect (noun) [from Latin efficere to bring about, from ex- out (of) + facere to make, do] the power to bring about a result; the quality or state of being operative; operation <the law goes into effect next week>
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Affect (noun) [pronunciation: stress on first syllable (unlike verb forms of this word] the conscious subjective aspect of an emotion considered apart from bodily changes <he displayed a distressing lack of affect> Note, mainly used in the social sciences by psychologists.
Dictionary.com gives this definition,
To give effect to, to make valid; to carry out in practice; to push to its results.
Law dictionaries give,
To give effect to, to put into force; enact; to constitute, to implement.
Hope that helps.
