It’s D. George Washington is often called the “Father of His (or Our) Country.” He not only served as the first president of the United States, but he also commanded the Continental Army during the American Revolution (1775–83) and presided over the convention that drafted the U.S. Constitution.
Explanation: This question is attempting to explain the reasons for migration. Push and pull factors play a role in the decision of human beings to leave one place or country and migrate elsewhere.