travelling secular performers from nort of france A. medieval B. Renaissance C. Baroque period

A.

Explanation:

During the Medieval period, the western classical music lasted long for approximately 10 centuries from 5th to 15th century. During this era, medieval music covered liturgical and secular music. Liturgical music was religious music sang in churches and secular was non-religious music sang mostly in courts.  

Secular music was performed for the sake of entertainment of noble class society and common people. The travelling secular performers in Northern France were trouveres. Trouveres were learned musicians who were well acquainted with French courts.  

Therefore, from the given options correct answer is (A) Medieval. As it was during the Medieval era, when secular performers (trouveres) used to travel from place to place.

it reintroduced the two-party system.