What factors likely contributed to shakespeare's abilities as an actor and playwright

The fact that Shakespeare has influence on language, theater and other culture elements.

Explanation:

No Playwright that came before Shakespeare appealed to the people like Shakespeare. Shakespeare's Play's were filled with universal truth of human existence. Since his play's first performance, theater has never been the same.

His abilities at contemporary dialogue as well as expectations of the behavior of audience can be noted. He is one of the most important figure in history and the most highly regarded dramatist in the world. he still has influence till today as he did years ago.