snarzberry
Emperor
Here is the general formula of how I go about diplomacy when I'm planning on doing some serious warmongering. Assume the game is on a highly populated continent (4 - 5 civs) or pangaea.
After early scouting DoF with as many far away civs as possible unless they denounce or war with each other, if so choose sides.
Give in to their demands for gold if they ask.
Sign first gen RAs with these Friends preferably. They won't be DoW broken in all likelihood.
Monitor who your Friends denounce. If it fits in with your plans then denounce them too.
Trade resources with nearby civs preferably. If they do DoW then it's a bonus to you for the resale. This could mean the difference via a rush-bought archer/walls or similar.
Build up an invasion force.
Try to bribe Friends to attack civs nearby to you.
DoW on nearby civ/s to you and puppet them all.
While this is happening your DoF with faraway civs will cushion the warmonger hate and allow you to sign another round of RAs, these have a higher chance of maturing and not being broken by DoW, while the rest of the world hates you for your bloodthirsty ways.
Use these RAs to speed you towards military upgrades.
Backstab.
After early scouting DoF with as many far away civs as possible unless they denounce or war with each other, if so choose sides.
Give in to their demands for gold if they ask.
Sign first gen RAs with these Friends preferably. They won't be DoW broken in all likelihood.
Monitor who your Friends denounce. If it fits in with your plans then denounce them too.
Trade resources with nearby civs preferably. If they do DoW then it's a bonus to you for the resale. This could mean the difference via a rush-bought archer/walls or similar.
Build up an invasion force.
Try to bribe Friends to attack civs nearby to you.
DoW on nearby civ/s to you and puppet them all.
While this is happening your DoF with faraway civs will cushion the warmonger hate and allow you to sign another round of RAs, these have a higher chance of maturing and not being broken by DoW, while the rest of the world hates you for your bloodthirsty ways.
Use these RAs to speed you towards military upgrades.
Backstab.