Turnpikes were made of materials that withstood various conditions should be the answer :D
Answer:
Racial Segregation in public schools violated the fourteenth amendment
Explanation:
At the top it's pointing at letters it might mean something, than the second arrow is pointing at the guys shoulder because theirs something hanging on his arm, than the third arrow is pointing at the bottom that's their details around(I tried)
They brought back superior muslim technology in ships navigation and weapons