Now , NDongo itself became a target for the slave trade , and its population fled in large numbers to neighbouring states .
It allied itself with Matamba against the country in 1590 , but was defeated in 1614 .
NDongo itself became a target for the slave trade , and its population fled in large numbers to neighbouring states .
It allied itself with Matamba against the country in 1590 , but was defeated in 1614 .