existing at the same time

a New York school of painting characterized by freely created abstractions; the first important school of American painting to develop independently of European styles

a New York school of painting characterized by freely created abstractions; the first important school of American painting to develop independently of European styles

regardless of the cost involved

regardless of the cost involved

regardless of the cost involved

regardless of the cost involved

regardless of the cost involved

in an experimental fashion

a challenge to defend what someone has said