Which actions directly contributed to the United States entering World War I? Select two options. Germany sank US ships.
Germany expanded its colonial empire.
Germany sent the Zimmermann Telegram.
Germany attacked US territory.
Germany signed a treaty with Austria-Hungary.

Germany sank US ships and Germany sent the Zimmerman Telegram

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism