How can an art be called a modern art?

Dada

True but also modern art began around the 1850's and 2000's. Mostly modern art is more real looking. But who am I to say what art is? For art is everything.

Because it is sophisticated and when performed well, it is not only formidable but also beautiful and harmonic.

"Museum of Modern Art"

There appears to be a general move in art in the direction of abstraction. The idea is of catching the essence of the thing depicted. One place to look for this tendency is in architecture, where...