What unique accomplishment did ruben dario achieve at the age of 18? a. he graduated from university. b. he won an award for a poem he wrote. c. he published his first volume of poetry. d. he worked as a newspaper reporter in europe.

I believe the correct answer is B. he won an award for a poem he wrote.
His poem, Una lágrima, brought him this award. He received a scholarship thanks to his poetic genius to go to Europe and continue his studies there; however, he chose to stay in Managua, in Nicaragua. 

Upheld the 1st amendment according to the u.s constitution. freedom of speech being limited in this case yes national emergencies