How to use "introduced" in a sentence

Sentences

Again, in any law upon this subject, ought not all the safeguards of liberty known in civilized and humane jurisprudence to be introduced, so that a free man be not, in any case, surrendered as a slave? And might it not be well at the same time to provide by law for the enforcement of that clause in the Constitution which guarantees that "the citizen of each State shall be entitled to all privileged and immunities of citizens in the several States?"

He introduced me to her, explaining that she was his niece

'Julius, this is Mr Sampson!' Beckwith introduced us.

'When the young woman had sat down next to her, the red-haired woman introduced herself

When I had introduced Colonel Melchett to Miss Marple, he said, 'I want to talk to you about Colonel Protheroe's death

In 2016, the United Nations (UN) introduced some goals for our future and for the future of the Earth