The arts and crafts movement came about as a reaction to

The Arts and Crafts movement was a response to the social and aesthic changes brought on by the Industial Revolution.

Artists in this movement spent a lot of time focusing on quality, appeal, and design because they were discontent with the cold, mechanical, and indifferent face of new 19th century designs.

It depends on what type of third separates the three notes.for example: if you have two mayor thirds is an "aumented chord"if you have two minor thirds is an "diminued chord"if you have one mayor first and then one minor is a "mayor chord"and inverted is a "minor chord"