gracias a

thanks to

su

1. Apocopic form of suyo his, her, its, one's, their, your (formal)
2. Apocopic form of suyo his, her, its, one's, their, your (formal)
3. Apocopic form of suyo (“your”)

bilingüismo

bilingualism

ha

third-person singular present indicative of haber

en

1. in, at, on
2. in (a time)
3. in (a language)
4. used after some verbs and translated by various prepositions in English
5. in (in various expressions)

Estados Unidos

United States (a country in North America)

Gran Bretaña

Great Britain

España

1. Spain (a country in Southern Europe, including most of the Iberian peninsula)
2. the letter E in the Spanish spelling alphabet