What problem arise from excessive ethnocentrism

Which of the following describes classical civilizations? they grew slowly and had a very short lifespan. they were unable to carry out long-distance trade. they made lasting impressions in art and architecture.

American sign language is a. not a distinct language by definition b. processed primarily by the left hemisphere, similar to other languages c. processed more or less equally by both the left and right hemispheres d. processed primarily by the right hemisphere because it is based on spatial characteristics

What is the contribution of women in making the family and in the nation?