Black slave trade

At the end of the Qing Dynasty, most of the Chinese "pig flowers" that were sold abroad at the beginning of the Qing Dynasty were prostitutes and had a miserable end
Late Qing Dynasty mostly Black slave trade Europe_History slave
01-18
Why did Portugal, a small country, become the world's first colonial power? And why is it decaying?
Portugal_History Ming dynasty Macau Black slave trade spices Europe_History
01-03