What was one of the global effects of the yom kippur war?

a.)opec began an oil embargo of the united states.
b.)arab forces gained new territory for egypt.
c.)arab countries refused to recognize israel as a state.
d.)egypt gave the sinai peninsula to israel.
e.)the united states imposed a blockade on goods from egypt.

i dont know but i need points

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: