Complex sentence: Six weeks later Hugh Dalton resigned as Chancellor of the Exchequer in 1947 and Cripps succeeded him, with the position of Minister for Economic Affairs now merged into the Chancellorship, and laboured tirelessly to rescue Britain from its economic crisis.
Split into simpler sentences: Six weeks later Hugh Dalton resigned as Chancellor of the Exchequer and Cripps succeeded him, with the position of Minister for Economic Affairs now merged into the Chancellorship. Cripps laboured tirelessly to rescue Britain from its economic crisis.