After world war 1 the ottoman empire a- became the center of the muslim world b-became extremely wealthy as a result of the discovery of oil c-was most influential in europe because it bridged it with east asia along trade routes d-was divided into several smaller new nations

D. Was divided into several smaller new nations.

I think its D. not 100% on this one.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

c) legal battles last five weeks after the election due to the narrow victory in several states.