Which statement accurately describes the contribution of ethnic groups during world war ii?
a. japanese americans sold war bonds, polish refugees worked as code breakers, and german immigrants were deported to canada.
b. african americans piloted planes, mexican braceros with farm production, and native americans were used to send american messages
c. jewish americans worked in urban factories, chinese immigrants fought on d-day, and italian women served in the women's air corps.
d. muslim americans made up the largest part of the navy, hispanic americans served as cooks in the army and african americans sold bonds.

The answer is  B. African Americans piloted planes, Mexican braceros helped with farm production, and Native Americans were used to send American messages.

Explanation:

The army and the Air Force created special units with African-American soldiers or pilots. The Bracero Program brought thousands of Mexicans to US farms to supply labor force for local farmers facing shortages. Native Americans like the Navajos were used to send coded messages in their language that the Japanese couldn´t decipher.

the han greatly expands the chinese empire. the han dynasty retains the centralized bureaucracy and unified political system of the qin but adopts and grafts upon this the confucian view that government should be run by educated, ethical men.

explanation: