Question

Check if I'm right?

When the river levels began to rise, the townspeople quickly built a _______ to keep their homes from flooding.

citadel

mettle

stalwart

bulwark <-----

Answer 1

It could be A) or D). Jus google the definitions and compare. But either one sounds correct.

Answer 2

Correct, a bulwark is a solid wall - like structure raised for defence.