President woodrow wilson sent ships to veracruz as a result a. an attack by the mexican military on u. s. soil b. the arrest of a u. s. solider c. a coup led by francisco madero d. a treaty signed by mexico and germany that formed an official alliance

b. the arrest of a U.S. solider--referred to as the Tampico Affair

Unarmed sailors docked in a restricted Mexican port and were arrested and detained by the Mexican government. Wilson demanded an apology and salute. President of Mexico apologized but refused to salute and also accepted a shipment of weapons from Germany violating a Wilson embargo. This prompted a military response from the US which was responded with a quick retreat by Mexican forces. 

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