1. Which of following are reasons why Pennsylvania was dubbed the Keystone State? Select all that apply. ☐ Pennsylvania was one of the first states to ratify the U.S. Constitution. Philadelphia played a large role in the creation of the Declaration of Independence, Articles of Confederation, and Constitution. Thomas Jefferson referred to Pennsylvania as a keystone. Pennsylvania was in the middle of the colonies.

1. Which of following are reasons why Pennsylvania was dubbed the Keystone State? Select all that apply. ☐ Pennsylvania was one of the first states to ratify the U.S. Constitution. Philadelphia played a large role in the creation of the Declaration of Independence, Articles of Confederation, and Constitution. Thomas Jefferson referred to Pennsylvania as a keystone. Pennsylvania was in the middle of the colonies.