The best solution for the people of the PRC and the State of Taiwan (RoC), and to undercut US imperial goals in the Asian Pacific is for the PRC to recognise an indepent Taiwan, in return for not being excluded from semi conductors and having free passage through territorial waters (and throw in recognition of PRC claims in South China Sea if you like).
Without the threat of invasion and a normalisation of ties both will help both economically and socially, and the shared cultural links will pull them together over time; and it ties the US's hands in meddling.
Alternate reading: stop running about and breaking the hearts of the unmarried freewomen, if you're shagging her, do it properly and above board.
Medieval era was, alas, pretty poor on women's rights and slavery was taken for granted. I don't think you'll find any slavery where rape was in practice forbidden.