7. • The Zimmermann Telegram
• The sinking of the Lusitania
• Unrestricted submarine

What is the effect of the events listed above?

A The U. S. joins the Central Powers
B U. S. enters into World War I
C President Wilson issues his Fourteen Points
D World War I begins

Why were presidents andrew jackson and martin van buren unwilling to annex texas? a. they did not want texas to be admitted to the union as a slave state. b. they feared that the annexation of texas as a slave state would lead to political problems within the union. c. they thought that texas was too large to be admitted to the union as one state. d. they did not believe in the idea of manifest destiny.