What significance do posted red banners hold in Corrientes province, Argentina?

Question

a. They are symbols of devotion to Gaucho Gil.***
b. They indicate a household that supports the Communist Party.
c. They are flags denoting native heritage.
d. They indicate cattle-crossing areas.

Answer 1

You are right, Kaai97.

http://www.themontrealreview.com/2009/A-Regional-Christ-the-Folk-Saint-Gaucho-Gil.php