Question

a. Lyndon Johnson and the Civil Rights Act b. The Irish Potato Famine of 1845-1851 c. Democracy Begins in Ancient Greece d. all of the above

Answer 1

a. Lyndon Johnson and the Civil Rights Act

- It is obvious that this are events from the history of United States.

- That is why we choose A, because these are events from US history.

-Other two events don't have close connection with the topic, although Irish Potato Famine did affected migration from Ireland to United States.