Use this timeline to answer the question below. 1600 1650 1700 1750 1800 1850 1900 1950 2000 | 1607 - The British colony of Jamestown is founded. | 1636 -- Harvard College is founded. 1776 - The United States declares independence from Great Britain. 1789 - The US. Constitution is adopted, 1861 - The U. S. Civil War begins 1917 - The United States enters World War 1945 - The United States drops atomic bombs on two Japanese cities. 1969 - American Neil Armstrong becomes the first person to walk on the moon Which event happened last? O A. The British colony of Jamestown is founded. OB. The U. S. Constitution is adopted. O c. The U. S. Civil War begins. OD. The United States enters World War I