A. Ferdinand and Isabella
Impeachment is a long process and lots of times doesn't work in time. This happened with Bill Clinton. He was on trial to be impeached but finished his term before he could be removed from office.
Upset by the Boston Tea Party and other blatant acts of destruction of British property by American colonists, the British Parliament enacts the Coercive Acts, to the outrage of American Patriots, on March 28, 1774.
World War I--in the end WWI is connected to the annexation as the Serbian attack on Archduke Franz Ferdinand was a response to the annexation.
Following the Austrian annexation of Bosnia and Herzegovina, Serbian nationalists called the Black Hand planned an attack on the Archduke Franz Ferdinand's visit to Bosnia. This assassination, triggered the events which led directly to the outbreak of World War I.
Answer: Seven Years
Explanation:
Though preceded by years of unrest and periodic violence, the Revolutionary War began in earnest on April 19, 1775 with the battles of Lexington and Concord. The conflict lasted a total of seven years, with the major American victory at Yorktown, VA in 1781 marking the end of hostilities.