Misc: Who is known as the 'Father of History'?

Questions

Food: The principal ingredient of sauerkraut.?

Food: This dish dervies from the old French word "alemelle", meaning "thin plate".?

Food: This is the "national spice" of Hungary.?

Gettysburg: From what direction did the Confederate Army attack Gettysburg ?

Gettysburg: The Confederacy invaded the North to draw Union troops away from here.?