1. One achievement represented by the structure in the image was that it was built
(A) with techniques used by Arabs and the Portuguese
(B) without mortar
(C) without slave labor
(D) away from any large settlement of people

(b)

Explanation: without mortar

answer: to communicate with people on the other side.

explanation:

brainliest means the answer that is best and you found it very

if you ask any question and 2 persons gave you answer for your question and the answer of one person you liked the most and found it most the we can mark it as brainliest . at the side of every person's answer an option of brainliet then we can appericiate the user by marking it as brainlist

if someone marks our answer as brainliest then we can get ranks also

done.