Complex sentence: The United Party of New Zealand, a party formed out of the remnants of the Liberal Party, formed a government between 1928 and 1935, and eventually merged with the Reform Party to establish the modern National Party.
Split into simpler sentences: The United Party of New Zealand was a party formed out of the remnants of the Liberal Party. It formed a government between 1928 and 1935, and eventually merged with the Reform Party to establish the modern National Party.