Will give brainliest and alot of pointsbut give complete and positive answer.

which describes a contribution that classical rome made to modern western civilization?
a. executive, legislative, and judicial branches of government
b. construction techniques using iron and steel
c. foundation of the islamic religion
d. architectural style featuring columns and domes

give positive answer. i'm giving 25 points answer asap.

i beleive its 1)aids

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: