The painter who designed the sets for stravinsky's pulcinella, and who went through a phase that showed the influence of ancient greek art, was

Pablo Picasso

Explanation:

Pablo Picasso was a one of the greatest artists of the 20th century and he was famous for his paintings.

He was considered radical in his work, as he continues to garner reverence for his technical mastery, visionary creativity, and profound empathy. Together, these qualities have distinguished the Spaniard.

For nearly 80 of his 91 years, Picasso devoted himself to an artistic production that he superstitiously believed would keep him alive, contributing significantly to the development of modern art in the 20th century.

in this part of the declaration it refers to the point when american people didn't recognize the british domain and   breaks the political bands with britain, they forced a respectful separation.

mankind was created and entitled equally with rights   which were life, freedom and the seeking for happiness.