Working as a diplomat has always been hard, but the further back in history you travel, the tougher it is to even travel internationally.  In spite having served during the 8th Century, Abe no Nakamaro managed to successfully manage hist post in Tang China.
"I realized that there was more to being an 
emissary then simply returning to Japan."
"Regresar a Japón no es
la única misión de los emisarios".
"Eu percebi que um emissário não realiza
seu objetivo apenas voltando para o Japão".