Well, I can tell you for sure that a is not the answer. But I think the answer would be b.
Commanding the U.S. Armed Forces
A is the answer to your question
India is often referred to as a subcontinent because it is "<span>A-a peninsula ethnically And Culturally isolated from the rest of Asia"--meaning it has characteristics of being a separate continent, but it isn't fully. </span>
The Alamo was the landmark that can be found in San Antonio, Texas.