Which units measure the amplitude of sound waves

The theme of social protest remained a consistent focus for jacob lawrence throughout his career. in the 1960s lawrence was inspired by news reports and photographs, including images of segregated lunch counter sit-ins and stories of the   freedom riders in the civil rights movement. from the 1970s onward, lawrence's work focused less explicitly on contemporary social issues.

Ithink collage romare bearden create emotional affecting images because we was able incorporate the use of crafts such as, craftwork quilts which was something learned by the necessity of making artwork out of whatever materials were available. it allows him to express his belief in the connection between social reality and art. he is able to share his personal experiences as an african-american, from the rural south to the urban north and to paris, through his work.