Denkt

Left forever

Returned

Left forever

Returned

Left permamently

The last part was a little confusing so since it was your signature, I thought I'd help you clean it up.

There is no best strategy, no best civ, no best player, what this game offers instead is a multitude of options.
There is no worst strategy, no worst civ, no worst player, what this game doesn't offer is an "I win" button.