In the letter sent to President Eisenhower on May 13th of 1958, Jackie Robinson,a civilrights advocate, refers to the treatment the African American community has been suffering. This particularly refers to the opression and segregation imposed upon African Americans. The reason for this,is that segregation was the key point of the racial tension in the mid 20th century.
It could be either the hous shook or shakes because of past and present tense