Hit [F12] and enter cheat:

dissent = Gives plenty of dissent
supplies = Gives plenty of supplies
transports = Gives plenty of transports
escorts = Gives plenty of escorts
robespierre = You can now do any reform you like
nuke = Gives a nuclear bomb
energy = Gives plenty of energy
metal = Gives plenty of Metal
rubber = Gives plenty of rubber
money = Gives plenty of money
oil = Gives plenty of oil
neville = AI gives into any demands desired

The cheats below has two functions. Type it in once and you will getthe cheat, type it in again and you have it turned off.

manpower = God mode on/off
difrules = CPU skill on/off
nowar = War on/off
norevolts = Rebels on/off
nolimit = Troop limits on/off
nofog = Fog on/off
handsoff = Hands on/off
showxy = Coordinates on/off
showid = Province ID's on/off
fullcontrol = AI on/off
event 1002 = Supply Resources +200
event 1014 = Dissent +1 or -1
event 1009 = Dissent -3
event 4100 = Dissent -30
event 1008 = Dissent +3; Supply -350
event 1010 = IC -1
event 1006 = IC +6
event 1110 = War Support +5
event 1003 = Manpower+100
event 1007 = Manpower +30
event 1001 = Random leader Loyalty -4
event 2024 = Truce with Russia (discontent agree -50%; disagree +15%)
event 1000 = Sabotage Research
event 2011 = Get Czechoslovakia before Germany takes it