How did European performance festivals differ from their American counterparts?

How did European performance festivals differ from their American counterparts?

a) They displayed little of the collaborative exchange between artists of different disciplines.

b} They attracted artists from a broader spectrum, and had a more intellectual and socio-political edge.

c) Its very failure to become an "ism" was its success.

d) A critical evocation of everyday life, now an extraordinary mix of visual languages and value systems.