Complex sentence: In order to promote tourism, Qatar has invested billions into improving infrastructure, it held the 2006 Asian Games and will be the host of the 2022 FIFA World Cup, becoming the first Arab country to host either of the events.
Split into simpler sentences: In order to promote tourism, Qatar has invested billions into improving infrastructure. It held the 2006 Asian Games and will be the host of the 2022 FIFA World Cup, becoming the first Arab country to host either of the events.