Complex sentence: The reforms led to opposition parties deciding to contest this election, including the Islamic Action Front (IAF), the political wing of the Muslim Brotherhood in Jordan, who boycotted multiple previous elections including the two immediately preceding this one.
Split into simpler sentences: The reforms led to opposition parties deciding to contest this election. These include the Islamic Action Front (IAF), the political wing of the Muslim Brotherhood in Jordan, who boycotted multiple previous elections including the two immediately preceding this one.