In the Early Twentieth Century,the United States' Actions Toward Mexico

In the early twentieth century,the United States' actions toward Mexico included

A) both encouraging an overthrow of the Madero government and refusing to formally recognize the Huerta government.
B) sending an American expeditionary force across the border into Mexico.
C) encouraging an overthrow of the Madero government.
D) All these answers are correct.
E) a refusal to formally recognize the Huerta government.