>>366298Youjo Senki seems to be mainly about war and politics, but the content usually focuses on the main character's communication and efforts rather than the war itself.
I do think the manga in this case has much better appeal, however, the first season of the anime is already done, while the manga is still being updated.
Code Geass's story is similar, albeit, rather than communication it focuses on the MC's triumphs and strategies through his battle against his nation.
Err... there are others buuuuuttt... I'm going to sleep, anyone else have more?