What was the US codename for President George H. W. Bush's 1989 invasion of Panama, to depose and seize the de facto Panamanian leader, general and dictator Manuel Noriega?
Who was the first US president to succeed to the Presidency upon the assassination of his predecessor and the first US President to be impeached?
US President Bush sent 2,000 troops into which country to conduct regular military exercises and, after a US serviceman was shot by local forces in December 1989, ordered an additional 24,000 troops in to take control?
Which US President was assassinated by Leon Frank Czolgosz at the Temple of Music at the Pan-American Exposition in Buffalo, New York?