How did the US plan on upholding the Marine Doctrine?

A. Through threats to foreign Nations

B. Through negotiations

C. With Force if necessary

D. With help from other Nations

Respuesta :

C or B

can't be a
can't be d because us was isolated
could be B because they negotiated for lands too. and fought for them as well like the Mexican war. 

C.) With force if necessary

i had this question on my homework and the right answer was "With force if necessary."

odyssey ware