The zimmermann telegram announced germany's european war aims pledged germany's intention to end the war peacefully proposed an alliance between germany and mexico had little effect on america's move toward war was actually a piece of british war propaganda

Proposed an alliance between Germany and Mexico
 
In the telegram, the Germany foreign office  sought a military alliance between Mexico and Germany. Germany promised Mexico that it would regain its territories of Texas,New Mexico, and Arizona.

The case was a u.s. supreme court decision that defined the scope of the u.s. congress's legislative power and how it relates to the powers of american state legislatures. the dispute in mcculloch involved the legality of the national bank and a tax that the state of maryland imposed on it.