Use "significant figure" in a sentence

1. He was a significant figure in the early Cold War era, advocating an aggressive stance against communism throughout the world.

2. Abraham is a significant figure in the New Testament, both as an example of faith (Paul, Hebrews), sacrifice (James) and …

3. 26 In spite of the blaming words that have been heaped upon Machiavelli for his unmoral teachings, he remains a significant figure in the history of political theory.