The Emporer And Darth Vader killed all the jedi and the clone army and the republic were now the empire.
No the Death Star was a space station created by the empire in Star Wars 3,4 and in star wars 6. The Death Star's power was to destroy a planet with one shot (it did this to Alderan in Star Wars 4).
No I am pretty sure you cannot get the executor in Star Wars The Empire At War.
The "foot soldiers" for the empire in star wars are called storm troopers.
If you are talking about with a Star Wars computer game such as Empire at War you can put it in Star Wars Empire at War/Gamedata/Mods put it there and create a shortcut for it.
Star Wars Episode V: The Empire Strikes Back
George Lucas directed and invented star wars.
Empire Star was created in 1966.
Generation Star Wars was created in 1994.
Star Wars Miniatures was created in 2004.
Star Wars MUSH was created in 1992.
The Star Wars Corporation was created in 1976.
Star Wars Insider was created in 1987.