Complex sentence: The Liberals countered by making their proposals to reduce the power of the Lords the main issue of the general election in January 1910, setting the stage for a tremendous showdown, which Lloyd George and Churchill relished.
Split into simpler sentences: The Liberals countered by proposing to reduce the power of the Lords. This was the main issue of the general election in January 1910, setting the stage for a tremendous showdown, which Lloyd George and Churchill relished.