yes u just have to do quests for the empire like you did for the stoarmcloaks and also help the empire take cities and bases
Yes Stormcloaks are racist towards everyone who is not from Skyrim.
yes go to skyrim wikia.
Imperials are better, they are trying to set up a government while the stormcloaks are starting a war they can't win
The Skyrim console command for nails depends on how many official DLCs you have.The console command is xx0300f. You need to replace the xx for either 02, 03 or 04 depending on the load order of your Hearthfire DLC.
Kill a Stormcloak officer.
You can start the Jagged Crown quest, and take the crown to the leader of the opposing faction. So instead of returning the crown to Ulfric, take it to General Tullius instead. However once you complete that quest, that's the point of no return.
Console command, or even better yet, Pick up the sword and drop it in the Jarls quarters.
Cheats for Skyrim only work on the PC and are know as console commands, to find a list of console commands you can find a few on the wiki but more are on gamefront.com, just search for skyrim console commands, to open the command typing interface you click the tilde (`) key next to the 1 one your keyboard. I've played for over 1000 hours and there are over 6000 different console commands.
Hold down 'E' Only for pc.
You can acquire the Skeleton Key through the console command player.additem 0003a070 1. Source: Elder Scrolls Wiki page "Skeleton Key (Skyrim)"
If you support the Stormcloaks for the Civil War quest, then yes, Jarl Ulfric will become High King of Skyrim. If you join the Imperial Legion, he is killed.
Factions you can join: Companions College of Winterhold Dark Brotherhood Stormcloaks Imperials With the Dawnguard DLC: Volkihar Vampires Dawnguard