A
it became legal to teach slaves to read and write
The answer is yes. The Greco-Roman legal tradition continue to have a strong positive influence on modern law and society. They greatly influenced the modern world with the creation of laws, development of democratic government practices, influences in languages, literature, arts, infrastructure, and city planning.
First blank Roads and not sure about the second sorry.
They come to a diplomatic agreement by compromise and if they cannot come to an agreement there is war