It isn't correct, that sentence is incorrect
Feminine cause it ends with an a
El 2 de marzo de 1917, se firmó la Ley Jones-Shafroth. Esto declaró a Puerto Rico como territorio de los EE. UU. y a los puertorriqueños se les otorgó la ciudadanía legal
Yes! That is correct. One must study is "Uno debe estudiar" in spanish. Great job! I did some research, and I learned some spanish :)
~Silver
Tatiana will take the last of her career. She wants to graduate fast