Playing my first full game in 0.95/0.99 (admittedly not very well!) and the Altarians declared war on me. War continued for some while and I was never able to speak to them, as I was told that it was too soon since I declared war (?). Eventually they offered peace, and I accepted. A turn or two later they declared war again. Again, I was never able to speak to them, and eventually they offered peace again. Again I accepted, and again they declared war a turn or two later.

Seems to me wrong that a civ can declare war again so soon after peace, and yet I can't seem to speak to them to seek peace, many turns after they declared war.

Should there not be some cooldown period between wars?