1 Read the list and answer the question that follows.
?
• Japan invades Korea and China.
• Germany invades Poland.
Japan attacks Pearl Harbor.
Which title correctly replaces the question mark?
A Events That Encouraged the United States to Join NATO
B Events That Inspired U.S. Nationalism during World War I
C Events That Contributed to U.S. Rejection of the League of Nations
D Events That Led to U.S. Involvement in World War II