Complex sentence: At the time there was a total strike at the Post (for better increases) Unfortunately the strike lasted so long that the Post which was financially independent from the Argus printing and publishing nearly went bankrupt resulting in the property and printing presses being sold to Caxtons.
Split into simpler sentences: At the time there was a total strike at the "Post" (for better increases). The strike lasted so long that the "Post" which was financially independent from the Argus printing and publishing nearly went bankrupt resulting in the property and printing presses being sold to Caxtons.