What developments helped Spanish writers establish their own national identity

See explanation section.

Explanation:

Spanish writers attributed a prolific influence in the realm of Spanish literature. It proliferated in the medieval period to modern  era when the creation of Spaniards heroic, narrative and vernacular romance-based poetry had amazed the whole world. Some specific sectors of development that help national Spanish literature to flourish are given below:

1) Mystical writing beauties along with prose in the Baroqe era of 17th century;

2) In the year of 1898 and 1914 the younger poets with vast poetic potentialities;

3) At the mid of 1959, fabulous creations of play about the minor nobility;

4) Situation situation comedies from the beginning of 19th century; and

5) Mythological plays in the 20th and 21st literature ear of the Spanish writers helped them to be robust their national identity.

the first two years of american revolution was not very encouraging for the patriots since the british were far superior in sea power, arms and troops.