The Most-Valued Slaves in the Slave Market of 1815-1850 Were

The most-valued slaves in the slave market of 1815-1850 were male field hands and:

A) older males who had years of experience working in cotton fields of the Lower South.
B) males who possessed the skills of an artisan, such as carpentry and engraving.
C) older females who acted as matriarchs within slave communities.
D) females of child-bearing age used as a means of increasing the slave population.