Complex sentence: Muzorewa re-engaged with Smith in August 1973, accepting the 1971--72 Douglas-Home terms, and the two signed a statement to that effect on 17 August; the UANC executive repudiated this in May 1974, but talks between Smith and Muzorewa continued sporadically.
Split into simpler sentences: Muzorewa re-engaged with Smith in August 1973, accepting the 1971--72 Douglas-Home terms, and the two signed a statement to that effect on 17 August. The UANC executive repudiated this in May 1974, but talks between Smith and Muzorewa continued sporadically.